[L] Change in dart/sdk[main]: [tests] Remove interface mixin, final mixin, and sealed mixin from la...

[Kallen Tu (Gerrit)]

Attention is currently required from: Leaf Petersen.

Kallen Tu would like Leaf Petersen to review this change.

View Change

[tests] Remove interface mixin, final mixin, and sealed mixin from language tests.

Change-Id: I8d92758c3a43ed0eff2e0c953ae8a87e65a3a920
---
M tests/language/class_modifiers/base/base_class_base_subtype_test.dart
M tests/language/class_modifiers/base/base_class_subtype_base_final_or_sealed_test.dart
M tests/language/class_modifiers/final/final_class_final_subtype_test.dart
M tests/language/class_modifiers/final/final_class_inside_not_base_final_sealed_error_test.dart
M tests/language/class_modifiers/final/final_class_subtype_base_final_or_sealed_test.dart
D tests/language/class_modifiers/final/final_mixin_implement_lib.dart
D tests/language/class_modifiers/final/final_mixin_implement_outside_error_test.dart
D tests/language/class_modifiers/final/final_mixin_implement_test.dart
D tests/language/class_modifiers/final/final_mixin_typedef_with_lib.dart
D tests/language/class_modifiers/final/final_mixin_typedef_with_outside_error_test.dart
D tests/language/class_modifiers/final/final_mixin_typedef_with_test.dart
D tests/language/class_modifiers/final/final_mixin_with_lib.dart
D tests/language/class_modifiers/final/final_mixin_with_outside_error_test.dart
D tests/language/class_modifiers/final/final_mixin_with_test.dart
M tests/language/class_modifiers/interface/interface_class_interface_subtype_test.dart
M tests/language/class_modifiers/interface/interface_class_mixin_on_lib.dart
M tests/language/class_modifiers/interface/interface_class_mixin_on_test.dart
D tests/language/class_modifiers/interface/interface_mixin_implement_lib.dart
D tests/language/class_modifiers/interface/interface_mixin_implement_outside_test.dart
D tests/language/class_modifiers/interface/interface_mixin_typedef_with_lib.dart
D tests/language/class_modifiers/interface/interface_mixin_typedef_with_outside_error_test.dart
D tests/language/class_modifiers/interface/interface_mixin_typedef_with_test.dart
D tests/language/class_modifiers/interface/interface_mixin_with_lib.dart
D tests/language/class_modifiers/interface/interface_mixin_with_outside_error_test.dart
D tests/language/class_modifiers/interface/interface_mixin_with_test.dart
M tests/language/class_modifiers/legacy/final_class_syntax_disabled_error_test.dart
M tests/language/class_modifiers/legacy/interface_class_syntax_disabled_error_test.dart
M tests/language/sealed_class/sealed_class_as_mixin_error_test.dart
M tests/language/sealed_class/sealed_class_as_mixin_lib.dart
M tests/language/sealed_class/sealed_class_construct_error_test.dart
M tests/language/sealed_class/sealed_class_sealed_subtype_test.dart
M tests/language/sealed_class/sealed_class_syntax_disabled_error_test.dart
D tests/language/sealed_class/sealed_mixin_typedef_error_test.dart
D tests/language/sealed_class/sealed_mixin_typedef_lib.dart
D tests/language/sealed_class/sealed_mixin_typedef_test.dart
D tests/language/sealed_class/sealed_mixin_with_error_test.dart
D tests/language/sealed_class/sealed_mixin_with_lib.dart
D tests/language/sealed_class/sealed_mixin_with_test.dart
38 files changed, 46 insertions(+), 662 deletions(-)

diff --git a/tests/language/class_modifiers/base/base_class_base_subtype_test.dart b/tests/language/class_modifiers/base/base_class_base_subtype_test.dart
index 2b1cc02..bd64d2a 100644
--- a/tests/language/class_modifiers/base/base_class_base_subtype_test.dart
+++ b/tests/language/class_modifiers/base/base_class_base_subtype_test.dart
@@ -11,7 +11,9 @@
 base class BaseClass {
   int foo = 0;
 }
+
 base class A extends BaseClass {}
+
 base class B implements BaseClass {
   int foo = 1;
 }
@@ -19,13 +21,18 @@
 base mixin BaseMixin {
   int foo = 0;
 }
+
 base class AMixin with BaseMixin {}
+
 base class BMixin = Object with BaseMixin;
 
 // Used for trivial runtime tests of the base subtypes.
 base class AConcrete extends A {}
+
 base class BConcrete extends B {}
+
 base class AMixinConcrete extends AMixin {}
+
 base class BMixinConcrete extends BMixin {}
 
 main() {
diff --git a/tests/language/class_modifiers/base/base_class_subtype_base_final_or_sealed_test.dart b/tests/language/class_modifiers/base/base_class_subtype_base_final_or_sealed_test.dart
index 20afd1a..04ba58f 100644
--- a/tests/language/class_modifiers/base/base_class_subtype_base_final_or_sealed_test.dart
+++ b/tests/language/class_modifiers/base/base_class_subtype_base_final_or_sealed_test.dart
@@ -12,49 +12,57 @@
 base class BaseClass {
   int foo = 0;
 }
+
 base mixin BaseMixin {
   int foo = 0;
 }
 
 base class BaseExtends extends BaseClass {}
+
 final class FinalExtends extends BaseClass {}
+
 sealed class SealedExtends extends BaseClass {}
+
 base class SealedExtendsImpl extends SealedExtends {}
 
 base class BaseImplements implements BaseClass {
   int foo = 0;
 }
+
 final class FinalImplements implements BaseClass {
   int foo = 0;
 }
+
 sealed class SealedImplements implements BaseClass {
   int foo = 0;
 }
+
 base class SealedImplementsImpl extends SealedImplements {}
 
 base mixin BaseMixinImplements implements BaseMixin {}
-final mixin FinalMixinImplements implements BaseMixin {}
-sealed mixin SealedMixinImplements implements BaseMixin {}
 
-base class ImplementsImpl implements BaseMixinImplements, FinalMixinImplements, SealedMixinImplements {
+base class ImplementsImpl implements BaseMixinImplements {
   int foo = 0;
 }
 
 base class BaseWith with BaseMixin {}
+
 final class FinalWith with BaseMixin {}
+
 sealed class SealedWith with BaseMixin {}
+
 base class SealedWithImpl extends SealedWith {}
 
 base mixin BaseOn on BaseClass {}
-final mixin FinalOn on BaseClass {}
-sealed mixin SealedOn on BaseClass {}
 
-base class OnImpl implements BaseOn, FinalOn, SealedOn {
+base class OnImpl implements BaseOn {
   int foo = 0;
 }
 
 base mixin MixinForEnum {}
+
 enum EnumWith with MixinForEnum { x }
+
 enum EnumImplements implements MixinForEnum { x }
 
 main() {
diff --git a/tests/language/class_modifiers/final/final_class_final_subtype_test.dart b/tests/language/class_modifiers/final/final_class_final_subtype_test.dart
index c6cec1d..88c54fe 100644
--- a/tests/language/class_modifiers/final/final_class_final_subtype_test.dart
+++ b/tests/language/class_modifiers/final/final_class_final_subtype_test.dart
@@ -11,31 +11,19 @@
 final class FinalClass {
   int foo = 0;
 }
+
 final class A extends FinalClass {}
+
 final class B implements FinalClass {
   int foo = 1;
 }
 
-final mixin FinalMixin {
-  int foo = 0;
-}
-final class C implements FinalMixin {
-  int foo = 1;
-}
-final class AMixin with FinalMixin {}
-final class BMixin = Object with FinalMixin;
-
 // Used for trivial runtime tests of the final subtypes.
 final class AConcrete extends A {}
+
 final class BConcrete extends B {}
-final class CConcrete extends C {}
-final class AMixinConcrete extends AMixin {}
-final class BMixinConcrete extends BMixin {}
 
 main() {
   Expect.equals(0, AConcrete().foo);
   Expect.equals(1, BConcrete().foo);
-  Expect.equals(1, CConcrete().foo);
-  Expect.equals(0, AMixinConcrete().foo);
-  Expect.equals(0, BMixinConcrete().foo);
-}
\ No newline at end of file
+}
diff --git a/tests/language/class_modifiers/final/final_class_inside_not_base_final_sealed_error_test.dart b/tests/language/class_modifiers/final/final_class_inside_not_base_final_sealed_error_test.dart
index 4aa63b9..63d8f58 100644
--- a/tests/language/class_modifiers/final/final_class_inside_not_base_final_sealed_error_test.dart
+++ b/tests/language/class_modifiers/final/final_class_inside_not_base_final_sealed_error_test.dart
@@ -9,16 +9,12 @@
 
 final class FinalClass {}
 
-final mixin FinalMixin {}
-
 base class BaseClass extends FinalClass {}
 
 sealed class SubtypeOfFinal extends FinalClass {}
 
 class RegularClass {}
 
-final mixin FinalMixin2 {}
-
 class Extends extends FinalClass {}
 //    ^^^^^^^
 // [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
@@ -29,21 +25,6 @@
 // [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
 // [cfe] The type 'Implements' must be 'base', 'final' or 'sealed' because the supertype 'FinalClass' is 'final'.
 
-mixin MixinImplements implements FinalMixin {}
-//    ^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
-// [cfe] The type 'MixinImplements' must be 'base', 'final' or 'sealed' because the supertype 'FinalMixin' is 'final'.
-
-class With with FinalMixin {}
-//    ^^^^
-// [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
-// [cfe] The type 'With' must be 'base', 'final' or 'sealed' because the supertype 'FinalMixin' is 'final'.
-
-class With2 with FinalMixin, FinalMixin2 {}
-//    ^^^^^
-// [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
-// [cfe] The type 'With2' must be 'base', 'final' or 'sealed' because the supertype 'FinalMixin' is 'final'.
-
 mixin On on FinalClass {}
 //    ^^
 // [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
@@ -53,15 +34,10 @@
 //    ^
 // [cfe] The type 'ExtendsExtends' must be 'base', 'final' or 'sealed' because the supertype 'FinalClass' is 'final'.
 
-class Multiple extends BaseClass implements FinalMixin {}
+class Multiple extends RegularClass implements FinalClass {}
 //    ^^^^^^^^
 // [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
-// [cfe] The type 'Multiple' must be 'base', 'final' or 'sealed' because the supertype 'BaseClass' is 'base'.
-
-class Multiple2 extends RegularClass implements FinalClass {}
-//    ^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.SUBTYPE_OF_BASE_OR_FINAL_IS_NOT_BASE_FINAL_OR_SEALED
-// [cfe] The type 'Multiple2' must be 'base', 'final' or 'sealed' because the supertype 'FinalClass' is 'final'.
+// [cfe] The type 'Multiple' must be 'base', 'final' or 'sealed' because the supertype 'FinalClass' is 'final'.
 
 class IndirectSubtype extends SubtypeOfFinal {}
 //    ^^^^^^^^^^^^^^^
diff --git a/tests/language/class_modifiers/final/final_class_subtype_base_final_or_sealed_test.dart b/tests/language/class_modifiers/final/final_class_subtype_base_final_or_sealed_test.dart
index 1cae8cb..6940d4d 100644
--- a/tests/language/class_modifiers/final/final_class_subtype_base_final_or_sealed_test.dart
+++ b/tests/language/class_modifiers/final/final_class_subtype_base_final_or_sealed_test.dart
@@ -12,49 +12,39 @@
 final class FinalClass {
   int foo = 0;
 }
-final mixin FinalMixin {
-  int foo = 0;
-}
 
 base class BaseExtends extends FinalClass {}
+
 final class FinalExtends extends FinalClass {}
+
 sealed class SealedExtends extends FinalClass {}
+
 final class SealedExtendsImpl extends SealedExtends {}
 
 base class BaseImplements implements FinalClass {
   int foo = 0;
 }
+
 final class FinalImplements implements FinalClass {
   int foo = 0;
 }
+
 sealed class SealedImplements implements FinalClass {
   int foo = 0;
 }
+
 final class SealedImplementsImpl extends SealedImplements {}
 
-base mixin BaseMixinImplements implements FinalMixin {}
-final mixin FinalMixinImplements implements FinalMixin {}
-sealed mixin SealedMixinImplements implements FinalMixin {}
-
-final class ImplementsImpl implements BaseMixinImplements, FinalMixinImplements, SealedMixinImplements {
-  int foo = 0;
-}
-
-base class BaseWith with FinalMixin {}
-final class FinalWith with FinalMixin {}
-sealed class SealedWith with FinalMixin {}
-final class SealedWithImpl extends SealedWith {}
-
 base mixin BaseOn on FinalClass {}
-final mixin FinalOn on FinalClass {}
-sealed mixin SealedOn on FinalClass {}
 
-final class OnImpl implements BaseOn, FinalOn, SealedOn {
+final class OnImpl implements BaseOn {
   int foo = 0;
 }
 
 base mixin MixinForEnum {}
+
 enum EnumWith with MixinForEnum { x }
+
 enum EnumImplements implements MixinForEnum { x }
 
 main() {
@@ -64,10 +54,6 @@
   Expect.equals(0, BaseImplements().foo);
   Expect.equals(0, FinalImplements().foo);
   Expect.equals(0, SealedImplementsImpl().foo);
-  Expect.equals(0, ImplementsImpl().foo);
-  Expect.equals(0, BaseWith().foo);
-  Expect.equals(0, FinalWith().foo);
-  Expect.equals(0, SealedWithImpl().foo);
   Expect.equals(0, OnImpl().foo);
   Expect.equals(0, EnumWith.x.index);
   Expect.equals(0, EnumImplements.x.index);
diff --git a/tests/language/class_modifiers/final/final_mixin_implement_lib.dart b/tests/language/class_modifiers/final/final_mixin_implement_lib.dart
deleted file mode 100644
index b552fcb..0000000
--- a/tests/language/class_modifiers/final/final_mixin_implement_lib.dart
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow final mixins to be implemented by multiple classes in the same library.
-
-final mixin FinalMixin {
-  int foo = 0;
-}
-
-final mixin MixinForEnum {}
-
-abstract final class A implements FinalMixin {}
-
-final class AImpl implements A {
-  int foo = 1;
-}
-
-final class B implements FinalMixin {
-  int foo = 1;
-}
-
-enum EnumInside implements MixinForEnum { x }
diff --git a/tests/language/class_modifiers/final/final_mixin_implement_outside_error_test.dart b/tests/language/class_modifiers/final/final_mixin_implement_outside_error_test.dart
deleted file mode 100644
index d4c62c2..0000000
--- a/tests/language/class_modifiers/final/final_mixin_implement_outside_error_test.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Error when attempting to implement final mixin outside of library.
-
-import 'final_mixin_implement_lib.dart';
-
-abstract final class AOutside implements FinalMixin {}
-//                                       ^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be implemented outside of its library because it's a final mixin.
-
-final class BOutside implements FinalMixin {
-//                              ^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be implemented outside of its library because it's a final mixin.
-  int foo = 1;
-}
-
-enum EnumOutside implements MixinForEnum { x }
-//                          ^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'MixinForEnum' can't be implemented outside of its library because it's a final mixin.
diff --git a/tests/language/class_modifiers/final/final_mixin_implement_test.dart b/tests/language/class_modifiers/final/final_mixin_implement_test.dart
deleted file mode 100644
index 32631d1..0000000
--- a/tests/language/class_modifiers/final/final_mixin_implement_test.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow final mixins to be implemented by multiple classes in the same library.
-
-import 'package:expect/expect.dart';
-import 'final_mixin_implement_lib.dart';
-
-main() {
-  Expect.equals(1, AImpl().foo);
-  Expect.equals(1, B().foo);
-  Expect.equals(0, EnumInside.x.index);
-}
diff --git a/tests/language/class_modifiers/final/final_mixin_typedef_with_lib.dart b/tests/language/class_modifiers/final/final_mixin_typedef_with_lib.dart
deleted file mode 100644
index db19f3d..0000000
--- a/tests/language/class_modifiers/final/final_mixin_typedef_with_lib.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Other-library declarations used by
-// final_mixin_typedef_with_outside_error_test.dart.
-
-final mixin FinalMixin {
-  int foo = 0;
-}
-
-typedef FinalMixinTypeDef = FinalMixin;
-
-final class A with FinalMixinTypeDef {
-  int foo = 1;
-}
diff --git a/tests/language/class_modifiers/final/final_mixin_typedef_with_outside_error_test.dart b/tests/language/class_modifiers/final/final_mixin_typedef_with_outside_error_test.dart
deleted file mode 100644
index 88a1095..0000000
--- a/tests/language/class_modifiers/final/final_mixin_typedef_with_outside_error_test.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Error when attempting to mix in a typedef final mixin outside of library.
-
-import 'final_mixin_typedef_with_lib.dart';
-
-abstract final class AOutside with FinalMixinTypeDef {}
-//                                 ^^^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be mixed-in outside of its library because it's a final mixin.
-
-final class BOutside with FinalMixinTypeDef {}
-//                        ^^^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be mixed-in outside of its library because it's a final mixin.
diff --git a/tests/language/class_modifiers/final/final_mixin_typedef_with_test.dart b/tests/language/class_modifiers/final/final_mixin_typedef_with_test.dart
deleted file mode 100644
index 7d138dc..0000000
--- a/tests/language/class_modifiers/final/final_mixin_typedef_with_test.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow typedef final mixins to be mixed in by multiple classes in the same
-// library.
-
-import 'package:expect/expect.dart';
-import 'final_mixin_typedef_with_lib.dart';
-
-main() {
-  Expect.equals(1, A().foo);
-}
diff --git a/tests/language/class_modifiers/final/final_mixin_with_lib.dart b/tests/language/class_modifiers/final/final_mixin_with_lib.dart
deleted file mode 100644
index 083a263..0000000
--- a/tests/language/class_modifiers/final/final_mixin_with_lib.dart
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow final mixins to be mixed by multiple classes in the same library.
-
-final mixin FinalMixin {
-  int foo = 0;
-}
-
-final mixin MixinForEnum {}
-
-abstract final class A with FinalMixin {}
-
-final class AImpl extends A {}
-
-final class B with FinalMixin {}
-
-enum EnumInside with MixinForEnum { x }
diff --git a/tests/language/class_modifiers/final/final_mixin_with_outside_error_test.dart b/tests/language/class_modifiers/final/final_mixin_with_outside_error_test.dart
deleted file mode 100644
index a6df5f3..0000000
--- a/tests/language/class_modifiers/final/final_mixin_with_outside_error_test.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Error when attempting to mix in final mixin outside of library.
-
-import 'final_mixin_with_lib.dart';
-
-abstract final class AOutside with FinalMixin {}
-//                                 ^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be mixed-in outside of its library because it's a final mixin.
-
-final class BOutside with FinalMixin {}
-//                        ^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'FinalMixin' can't be mixed-in outside of its library because it's a final mixin.
-
-enum EnumOutside with MixinForEnum { x }
-//                    ^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'MixinForEnum' can't be mixed-in outside of its library because it's a final mixin.
diff --git a/tests/language/class_modifiers/final/final_mixin_with_test.dart b/tests/language/class_modifiers/final/final_mixin_with_test.dart
deleted file mode 100644
index c1567dd..0000000
--- a/tests/language/class_modifiers/final/final_mixin_with_test.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow final mixins to be mixed by multiple classes in the same library.
-
-import 'package:expect/expect.dart';
-import 'final_mixin_with_lib.dart';
-
-main() {
-  Expect.equals(0, AImpl().foo);
-  Expect.equals(0, B().foo);
-  Expect.equals(0, EnumInside.x.index);
-}
diff --git a/tests/language/class_modifiers/interface/interface_class_interface_subtype_test.dart b/tests/language/class_modifiers/interface/interface_class_interface_subtype_test.dart
index 911c3b7..4c5b6e0 100644
--- a/tests/language/class_modifiers/interface/interface_class_interface_subtype_test.dart
+++ b/tests/language/class_modifiers/interface/interface_class_interface_subtype_test.dart
@@ -11,26 +11,19 @@
 interface class InterfaceClass {
   int foo = 0;
 }
+
 interface class A extends InterfaceClass {}
+
 interface class B implements InterfaceClass {
   int foo = 1;
 }
 
-interface mixin InterfaceMixin {
-  int foo = 0;
-}
-interface class AMixin with InterfaceMixin {}
-interface class BMixin = Object with InterfaceMixin;
-
 // Used for trivial runtime tests of the interface subtypes.
 class AConcrete extends A {}
+
 class BConcrete extends B {}
-class AMixinConcrete extends AMixin {}
-class BMixinConcrete extends BMixin {}
 
 main() {
   Expect.equals(0, AConcrete().foo);
   Expect.equals(1, BConcrete().foo);
-  Expect.equals(0, AMixinConcrete().foo);
-  Expect.equals(0, BMixinConcrete().foo);
 }
diff --git a/tests/language/class_modifiers/interface/interface_class_mixin_on_lib.dart b/tests/language/class_modifiers/interface/interface_class_mixin_on_lib.dart
index 5f01763..bbd3335 100644
--- a/tests/language/class_modifiers/interface/interface_class_mixin_on_lib.dart
+++ b/tests/language/class_modifiers/interface/interface_class_mixin_on_lib.dart
@@ -11,9 +11,3 @@
 abstract class A extends InterfaceClass {}
 
 class B extends InterfaceClass {}
-
-interface mixin InterfaceMixin {}
-
-class C extends InterfaceClass with InterfaceMixin {}
-
-class D with InterfaceMixin {}
diff --git a/tests/language/class_modifiers/interface/interface_class_mixin_on_test.dart b/tests/language/class_modifiers/interface/interface_class_mixin_on_test.dart
index 096d961..5ccfacf 100644
--- a/tests/language/class_modifiers/interface/interface_class_mixin_on_test.dart
+++ b/tests/language/class_modifiers/interface/interface_class_mixin_on_test.dart
@@ -17,20 +17,6 @@
   int foo = 0;
 }
 
-mixin MC on InterfaceClass, InterfaceMixin {}
-
-class ConcreteC extends C with MC {
-  int foo = 0;
-}
-
-mixin MCSingular on InterfaceMixin {}
-
-class ConcreteD extends D with MCSingular {
-  int foo = 0;
-}
-
 main() {
   Expect.equals(0, ConcreteA().foo);
-  Expect.equals(0, ConcreteC().foo);
-  Expect.equals(0, ConcreteD().foo);
 }
diff --git a/tests/language/class_modifiers/interface/interface_mixin_implement_lib.dart b/tests/language/class_modifiers/interface/interface_mixin_implement_lib.dart
deleted file mode 100644
index 06f0af6..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_implement_lib.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow interface mixins to be implemented by multiple classes in the same
-// library.
-
-interface mixin InterfaceMixin {
-  int foo = 0;
-}
-
-interface mixin MixinForEnum {}
-
-abstract class A implements InterfaceMixin {}
-
-class B implements InterfaceMixin {
-  int foo = 1;
-}
diff --git a/tests/language/class_modifiers/interface/interface_mixin_implement_outside_test.dart b/tests/language/class_modifiers/interface/interface_mixin_implement_outside_test.dart
deleted file mode 100644
index cf0f14e..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_implement_outside_test.dart
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow interface mixins to be implemented by multiple classes outside its
-// library.
-
-import 'package:expect/expect.dart';
-import 'interface_mixin_implement_lib.dart';
-
-abstract class AOutside implements InterfaceMixin {}
-
-class AOutsideImpl implements AOutside {
-  int foo = 1;
-}
-
-class BOutside implements InterfaceMixin {
-  int foo = 1;
-}
-
-enum EnumOutside implements MixinForEnum { x }
-
-main() {
-  Expect.equals(1, AOutsideImpl().foo);
-  Expect.equals(1, BOutside().foo);
-  Expect.equals(0, EnumOutside.x.index);
-}
diff --git a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_lib.dart b/tests/language/class_modifiers/interface/interface_mixin_typedef_with_lib.dart
deleted file mode 100644
index 891b1e4..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_lib.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Other-library declarations used by
-// interface_mixin_typedef_with_outside_error_test.dart and
-// interface_mixin_typedef_with_test.dart.
-
-interface mixin InterfaceMixin {
-  int foo = 0;
-}
-
-typedef InterfaceMixinTypeDef = InterfaceMixin;
-
-class A with InterfaceMixinTypeDef {
-  int foo = 1;
-}
diff --git a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_outside_error_test.dart b/tests/language/class_modifiers/interface/interface_mixin_typedef_with_outside_error_test.dart
deleted file mode 100644
index f9a82c8..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_outside_error_test.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Error when attempting to mix in a typedef interface mixin outside of library.
-
-import 'interface_mixin_typedef_with_lib.dart';
-
-abstract class AOutside with InterfaceMixinTypeDef {}
-//                           ^^^^^^^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'InterfaceMixin' can't be mixed-in outside of its library because it's an interface mixin.
-
-class BOutside with InterfaceMixinTypeDef {}
-//                  ^^^^^^^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'InterfaceMixin' can't be mixed-in outside of its library because it's an interface mixin.
diff --git a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_test.dart b/tests/language/class_modifiers/interface/interface_mixin_typedef_with_test.dart
deleted file mode 100644
index fbbd712..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_typedef_with_test.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow typedef interface mixins to be mixed in by multiple classes in the same
-// library.
-
-import 'package:expect/expect.dart';
-import 'interface_mixin_typedef_with_lib.dart';
-
-main() {
-  Expect.equals(1, A().foo);
-}
diff --git a/tests/language/class_modifiers/interface/interface_mixin_with_lib.dart b/tests/language/class_modifiers/interface/interface_mixin_with_lib.dart
deleted file mode 100644
index 18d2e26..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_with_lib.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow interface mixins to be mixed by multiple classes in the same library.
-
-interface mixin InterfaceMixin {
-  int foo = 0;
-}
-
-interface mixin MixinForEnum {}
-
-abstract class A with InterfaceMixin {}
-
-class B with InterfaceMixin {}
-
-enum EnumInside implements MixinForEnum { x }
diff --git a/tests/language/class_modifiers/interface/interface_mixin_with_outside_error_test.dart b/tests/language/class_modifiers/interface/interface_mixin_with_outside_error_test.dart
deleted file mode 100644
index c60d70e..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_with_outside_error_test.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Error when attempting to mix in interface mixin outside of library.
-
-import 'interface_mixin_with_lib.dart';
-
-abstract class AOutside with InterfaceMixin {}
-//                           ^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'InterfaceMixin' can't be mixed-in outside of its library because it's an interface mixin.
-
-class BOutside with InterfaceMixin {}
-//                  ^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'InterfaceMixin' can't be mixed-in outside of its library because it's an interface mixin.
-
-enum EnumOutside with MixinForEnum { x }
-//                    ^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'MixinForEnum' can't be mixed-in outside of its library because it's an interface mixin.
diff --git a/tests/language/class_modifiers/interface/interface_mixin_with_test.dart b/tests/language/class_modifiers/interface/interface_mixin_with_test.dart
deleted file mode 100644
index a3d0412..0000000
--- a/tests/language/class_modifiers/interface/interface_mixin_with_test.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=class-modifiers
-
-// Allow interface mixins to be mixed by multiple classes in the same library.
-
-import 'package:expect/expect.dart';
-import 'interface_mixin_with_lib.dart';
-
-class AImpl extends A {}
-
-main() {
-  Expect.equals(0, AImpl().foo);
-  Expect.equals(0, B().foo);
-  Expect.equals(0, EnumInside.x.index);
-}
diff --git a/tests/language/class_modifiers/legacy/final_class_syntax_disabled_error_test.dart b/tests/language/class_modifiers/legacy/final_class_syntax_disabled_error_test.dart
index 0178696..81cfecd 100644
--- a/tests/language/class_modifiers/legacy/final_class_syntax_disabled_error_test.dart
+++ b/tests/language/class_modifiers/legacy/final_class_syntax_disabled_error_test.dart
@@ -18,8 +18,3 @@
 // [error column 1, length 5]
 // [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
 // [cfe] The 'class-modifiers' language feature is disabled for this library.
-
-final mixin FinalMixin {}
-// [error column 1, length 5]
-// [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
-// [cfe] The 'class-modifiers' language feature is disabled for this library.
diff --git a/tests/language/class_modifiers/legacy/interface_class_syntax_disabled_error_test.dart b/tests/language/class_modifiers/legacy/interface_class_syntax_disabled_error_test.dart
index b49f305..1c12647 100644
--- a/tests/language/class_modifiers/legacy/interface_class_syntax_disabled_error_test.dart
+++ b/tests/language/class_modifiers/legacy/interface_class_syntax_disabled_error_test.dart
@@ -18,8 +18,3 @@
 // [error column 1, length 9]
 // [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
 // [cfe] The 'class-modifiers' language feature is disabled for this library.
-
-interface mixin InterfaceMixin {}
-// [error column 1, length 9]
-// [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
-// [cfe] The 'class-modifiers' language feature is disabled for this library.
diff --git a/tests/language/sealed_class/sealed_class_as_mixin_error_test.dart b/tests/language/sealed_class/sealed_class_as_mixin_error_test.dart
index 25f659e..2a70f9a 100644
--- a/tests/language/sealed_class/sealed_class_as_mixin_error_test.dart
+++ b/tests/language/sealed_class/sealed_class_as_mixin_error_test.dart
@@ -42,15 +42,7 @@
 // [analyzer] COMPILE_TIME_ERROR.CLASS_USED_AS_MIXIN
 // [cfe] The class 'Class' can't be used as a mixin because it isn't a mixin class nor a mixin.
 
-class OutsideE with Class, SealedMixin {}
-//                  ^^^^^
-// [analyzer] COMPILE_TIME_ERROR.CLASS_USED_AS_MIXIN
-// [cfe] The class 'Class' can't be used as a mixin because it isn't a mixin class nor a mixin.
-//                         ^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'SealedMixin' can't be mixed in outside of its library because it's a sealed mixin.
-
-abstract class OutsideF with Mixin, SealedClass {}
+abstract class OutsideE with Mixin, SealedClass {}
 //                                  ^^^^^^^^^^^
 // [analyzer] COMPILE_TIME_ERROR.CLASS_USED_AS_MIXIN
 // [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
diff --git a/tests/language/sealed_class/sealed_class_as_mixin_lib.dart b/tests/language/sealed_class/sealed_class_as_mixin_lib.dart
index ff5bf14..40058d3 100644
--- a/tests/language/sealed_class/sealed_class_as_mixin_lib.dart
+++ b/tests/language/sealed_class/sealed_class_as_mixin_lib.dart
@@ -12,6 +12,7 @@
   int nonAbstractBar(int value) => value + 100;
   int bar(int value);
 }
-sealed mixin SealedMixin {}
+
 class Class {}
+
 mixin Mixin {}
diff --git a/tests/language/sealed_class/sealed_class_construct_error_test.dart b/tests/language/sealed_class/sealed_class_construct_error_test.dart
index 9df3a4c..1aeaf01 100644
--- a/tests/language/sealed_class/sealed_class_construct_error_test.dart
+++ b/tests/language/sealed_class/sealed_class_construct_error_test.dart
@@ -9,8 +9,6 @@
 
 sealed class NotConstructable {}
 
-sealed mixin AlsoNotConstructable {}
-
 mixin M {}
 sealed class NotConstructableWithMixin = Object with M;
 
@@ -19,10 +17,6 @@
   //          ^^^^^^^^^^^^^^^^
   // [analyzer] COMPILE_TIME_ERROR.INSTANTIATE_ABSTRACT_CLASS
   // [cfe] The class 'NotConstructable' is abstract and can't be instantiated.
-  var error2 = AlsoNotConstructable();
-  //           ^^^^^^^^^^^^^^^^^^^^
-  // [analyzer] COMPILE_TIME_ERROR.MIXIN_INSTANTIATE
-  // [cfe] Couldn't find constructor 'AlsoNotConstructable'.
   var error3 = NotConstructableWithMixin();
   //           ^^^^^^^^^^^^^^^^^^^^^^^^^
   // [analyzer] COMPILE_TIME_ERROR.INSTANTIATE_ABSTRACT_CLASS
diff --git a/tests/language/sealed_class/sealed_class_sealed_subtype_test.dart b/tests/language/sealed_class/sealed_class_sealed_subtype_test.dart
index 0df4ff3..79487ea 100644
--- a/tests/language/sealed_class/sealed_class_sealed_subtype_test.dart
+++ b/tests/language/sealed_class/sealed_class_sealed_subtype_test.dart
@@ -10,23 +10,18 @@
 sealed class SealedClass {
   int foo = 0;
 }
+
 sealed class A extends SealedClass {}
+
 sealed class B implements SealedClass {
   @override
   int foo = 1;
 }
 
-sealed mixin SealedMixin {
-  int foo = 0;
-}
-sealed class AMixin with SealedMixin {}
-sealed class BMixin = Object with SealedMixin;
-
 // Used for trivial runtime tests of the sealed subtypes.
 class AConcrete extends A {}
+
 class BConcrete extends B {}
-class AMixinConcrete extends AMixin {}
-class BMixinConcrete extends BMixin {}
 
 main() {
   var a = AConcrete();
@@ -34,10 +29,4 @@
 
   var b = BConcrete();
   Expect.equals(1, b.foo);
-
-  var amixin = AMixinConcrete();
-  Expect.equals(0, amixin.foo);
-
-  var bmixin = BMixinConcrete();
-  Expect.equals(0, bmixin.foo);
-}
\ No newline at end of file
+}
diff --git a/tests/language/sealed_class/sealed_class_syntax_disabled_error_test.dart b/tests/language/sealed_class/sealed_class_syntax_disabled_error_test.dart
index 9d1e07d..3083e7f 100644
--- a/tests/language/sealed_class/sealed_class_syntax_disabled_error_test.dart
+++ b/tests/language/sealed_class/sealed_class_syntax_disabled_error_test.dart
@@ -29,8 +29,3 @@
 // [error column 1, length 6]
 // [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
 // [cfe] The 'sealed-class' language feature is disabled for this library.
-
-sealed mixin SealedMixin {}
-// [error column 1, length 6]
-// [analyzer] SYNTACTIC_ERROR.EXPERIMENT_NOT_ENABLED
-// [cfe] The 'sealed-class' language feature is disabled for this library.
diff --git a/tests/language/sealed_class/sealed_mixin_typedef_error_test.dart b/tests/language/sealed_class/sealed_mixin_typedef_error_test.dart
deleted file mode 100644
index 3e42f2a..0000000
--- a/tests/language/sealed_class/sealed_mixin_typedef_error_test.dart
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Error when attempting to mix in a typedef sealed mixin outside of its library
-
-import 'sealed_mixin_typedef_lib.dart';
-
-class ATypeDef with SealedMixinTypeDef {}
-//                  ^^^^^^^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'SealedMixin' can't be mixed in outside of its library because it's a sealed mixin.
diff --git a/tests/language/sealed_class/sealed_mixin_typedef_lib.dart b/tests/language/sealed_class/sealed_mixin_typedef_lib.dart
deleted file mode 100644
index 44779d5..0000000
--- a/tests/language/sealed_class/sealed_mixin_typedef_lib.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Other-library declarations used by sealed_mixin_typedef_test.dart.
-
-sealed mixin SealedMixin {
-  int foo = 0;
-}
-
-typedef SealedMixinTypeDef = SealedMixin;
-
-class A with SealedMixinTypeDef {}
diff --git a/tests/language/sealed_class/sealed_mixin_typedef_test.dart b/tests/language/sealed_class/sealed_mixin_typedef_test.dart
deleted file mode 100644
index 9c63a5f..0000000
--- a/tests/language/sealed_class/sealed_mixin_typedef_test.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Allow typedef sealed mixins to be mixed in by classes in the same library.
-
-import "package:expect/expect.dart";
-import 'sealed_mixin_typedef_lib.dart';
-
-main() {
-  var a = A();
-  Expect.equals(0, a.foo);
-}
diff --git a/tests/language/sealed_class/sealed_mixin_with_error_test.dart b/tests/language/sealed_class/sealed_mixin_with_error_test.dart
deleted file mode 100644
index de8e949..0000000
--- a/tests/language/sealed_class/sealed_mixin_with_error_test.dart
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Error when attempting to mix in a sealed mixin outside of its library.
-
-import 'sealed_mixin_with_lib.dart';
-
-abstract class OutsideA with SealedMixin {}
-//                           ^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'SealedMixin' can't be mixed in outside of its library because it's a sealed mixin.
-
-class OutsideB with SealedMixin {
-//                  ^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'SealedMixin' can't be mixed in outside of its library because it's a sealed mixin.
-  int foo = 2;
-  int bar(int value) => value;
-}
-
-abstract class OutsideC = Object with SealedMixin;
-//                                    ^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'SealedMixin' can't be mixed in outside of its library because it's a sealed mixin.
-
-enum EnumOutside with MixinForEnum { x }
-//                    ^^^^^^^^^^^^
-// [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY
-// [cfe] The mixin 'MixinForEnum' can't be mixed in outside of its library because it's a sealed mixin.
diff --git a/tests/language/sealed_class/sealed_mixin_with_lib.dart b/tests/language/sealed_class/sealed_mixin_with_lib.dart
deleted file mode 100644
index b10c0a0..0000000
--- a/tests/language/sealed_class/sealed_mixin_with_lib.dart
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Other-library declarations used by sealed_mixin_with_error_test.dart and
-// sealed_mixin_with_test.dart.
-
-sealed mixin SealedMixin {
-  int nonAbstractFoo = 0;
-  abstract int foo;
-  int nonAbstractBar(int value) => value + 100;
-  int bar(int value);
-}
-
-sealed mixin MixinForEnum {}
-
-abstract class A with SealedMixin {}
-
-class AImpl extends A {
-  int foo = 1;
-  int bar(int value) => value + 1;
-}
-
-class B with SealedMixin {
-  int nonAbstractFoo = 100;
-  int foo = 2;
-  int bar(int value) => value;
-}
-
-abstract class C = Object with SealedMixin;
-
-class CImpl extends C {
-  int foo = 3;
-  int bar(int value) => value - 1;
-}
-
-enum EnumInside with MixinForEnum { x }
diff --git a/tests/language/sealed_class/sealed_mixin_with_test.dart b/tests/language/sealed_class/sealed_mixin_with_test.dart
deleted file mode 100644
index 4c12f79..0000000
--- a/tests/language/sealed_class/sealed_mixin_with_test.dart
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// SharedOptions=--enable-experiment=sealed-class
-
-// Allow sealed mixins to be mixed in by multiple classes in the same library.
-// Additionally, allow their subclasses/subtypes to be used freely.
-
-import "package:expect/expect.dart";
-import 'sealed_mixin_with_lib.dart';
-
-class AExtends extends A {
-  int foo = 0;
-  int bar(int value) => value;
-}
-
-class AImplements implements A {
-  int nonAbstractFoo = 0;
-  int foo = 0;
-  int bar(int value) => value;
-  int nonAbstractBar(int value) => value;
-}
-
-main() {
-  A a = AImpl();
-  Expect.equals(0, a.nonAbstractFoo);
-  Expect.equals(1, a.foo);
-  Expect.equals(3, a.bar(2));
-  Expect.equals(100, a.nonAbstractBar(0));
-
-  var b = B();
-  Expect.equals(100, b.nonAbstractFoo);
-  Expect.equals(2, b.foo);
-  Expect.equals(2, b.bar(2));
-  Expect.equals(100, b.nonAbstractBar(0));
-
-  C c = CImpl();
-  Expect.equals(0, c.nonAbstractFoo);
-  Expect.equals(3, c.foo);
-  Expect.equals(1, c.bar(2));
-  Expect.equals(100, c.nonAbstractBar(0));
-
-  var aExtends = AExtends();
-  Expect.equals(0, aExtends.nonAbstractFoo);
-  Expect.equals(0, aExtends.foo);
-  Expect.equals(0, aExtends.bar(0));
-  Expect.equals(100, aExtends.nonAbstractBar(0));
-
-  var aImplements = AImplements();
-  Expect.equals(0, aImplements.nonAbstractFoo);
-  Expect.equals(0, aImplements.foo);
-  Expect.equals(0, aImplements.bar(0));
-  Expect.equals(0, aImplements.nonAbstractBar(0));
-
-  Expect.equals(0, EnumInside.x.index);
-}

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Patch set 2:Code-Review +1

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• Patchset:

  • Patch Set #2:

    Thanks! Sorry for the unnecessary work on these.

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Approvals: Leaf Petersen: Looks good to me, approved Kallen Tu: Commit

[tests] Remove interface mixin, final mixin, and sealed mixin from language tests.

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