Every time I want to load interstitial ad on mediation test suite, the app crashes. But inside app I have no issue with interstitial ads.
implementation 'com.google.android.gms:play-services-ads:20.1.0'
implementation 'com.google.android.ads:mediation-test-suite:1.5.0'
implementation 'com.google.ads.mediation:facebook:6.4.0.0'
FATAL EXCEPTION: main
Process: ..., PID: 22388
java.lang.RuntimeException: Unable to start activity ComponentInfo{.../com.google.android.ads.mediationtestsuite.activities.ConfigurationItemDetailActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.android.ads.mediationtestsuite.dataobjects.AdUnit.getName()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3611)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3775)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2246)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:233)
at android.app.ActivityThread.main(ActivityThread.java:8010)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:631)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:978)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.android.ads.mediationtestsuite.dataobjects.AdUnit.getName()' on a null object reference
at com.google.android.ads.mediationtestsuite.viewmodels.AdUnitViewModel.getName(AdUnitViewModel.java:30)
at com.google.android.ads.mediationtestsuite.viewmodels.AdUnitViewModel.getDetailPageTitle(AdUnitViewModel.java:35)
at com.google.android.ads.mediationtestsuite.activities.ConfigurationItemDetailActivity.onCreate(ConfigurationItemDetailActivity.java:101)
at android.app.Activity.performCreate(Activity.java:8006)
at android.app.Activity.performCreate(Activity.java:7990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1329)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3584)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3775)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2246)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:233)
at android.app.ActivityThread.main(ActivityThread.java:8010)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:631)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:978)