Scalatest fails with latest Scala Nightly (scala-2.8.0.r22181-b20100607020052.zip)

[Paul LaCrosse]

Installed a new nightly today, and the ScalaTest built for Scala
2.8_RC3 no longer functions properly.

Stack Trace:

test:
[java] *** RUN ABORTED *** (235 milliseconds)
[java] An exception or error caused a run to abort:
scala.collection.TraversableLike.withFilter(Lscala/Function1;)Lscala/
collection/TraversableLike$WithFilter;
[java] java.lang.NoSuchMethodError:
scala.collection.TraversableLike.withFilter(Lscala/Function1;)Lscala/
collection/TraversableLike$WithFilter;
[java] at org.scalatest.Suite$class.testNames(Suite.scala:1470)
[java] at
org.scalatest.tools.DiscoverySuite.testNames(DiscoverySuite.scala:28)
[java] at org.scalatest.Suite
$class.expectedTestCount(Suite.scala:2057)
[java] at
org.scalatest.tools.DiscoverySuite.expectedTestCount(DiscoverySuite.scala:
28)
[java] at org.scalatest.tools.Runner$$anonfun
$27.apply(Runner.scala:1489)
[java] at org.scalatest.tools.Runner$$anonfun
$27.apply(Runner.scala:1488)
[java] at scala.collection.TraversableLike$$anonfun$map
$1.apply(TraversableLike.scala:206)
[java] at scala.collection.TraversableLike$$anonfun$map
$1.apply(TraversableLike.scala:206)
[java] at scala.collection.LinearSeqOptimized
$class.foreach(LinearSeqOptimized.scala:61)
[java] at scala.collection.immutable.List.foreach(List.scala:
45)
[java] at scala.collection.TraversableLike
$class.map(TraversableLike.scala:206)
[java] at scala.collection.immutable.List.map(List.scala:45)
[java] at org.scalatest.tools.Runner
$.doRunRunRunADoRunRun(Runner.scala:1488)
[java] at org.scalatest.tools.Runner$$anonfun
$runOptionallyWithPassFailReporter$2.apply(Runner.scala:616)
[java] at org.scalatest.tools.Runner$$anonfun
$runOptionallyWithPassFailReporter$2.apply(Runner.scala:615)
[java] at org.scalatest.tools.Runner
$.withClassLoaderAndDispatchReporter(Runner.scala:1564)
[java] at org.scalatest.tools.Runner
$.runOptionallyWithPassFailReporter(Runner.scala:614)
[java] at org.scalatest.tools.Runner$.main(Runner.scala:498)
[java] at org.scalatest.tools.Runner.main(Runner.scala)