I've tried to use several version of the plugin with Android Studio 3.6 RC3 and Android Studio 4.0 Canary 9. The plugin does not open. I've found an error in the log files :
2020-02-24 17:15:40,455 [ 210135] ERROR - llij.ide.plugins.PluginManager - org.jetbrains.android.facet.AndroidFacet.getManifest()Lorg/jetbrains/android/dom/manifest/Manifest;
java.lang.NoSuchMethodError: org.jetbrains.android.facet.AndroidFacet.getManifest()Lorg/jetbrains/android/dom/manifest/Manifest;
at com.android.aas.util.ProjectUtils.getActionsXmlResourceUrl(ProjectUtils.java:47)
at com.android.aas.util.ProjectUtils.getActionModule(ProjectUtils.java:86)
at com.android.aas.ui.ActionSelectionDialog.lambda$readPackageNameSafely$4(ActionSelectionDialog.java:530)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:936)
at com.android.aas.ui.ActionSelectionDialog.readPackageNameSafely(ActionSelectionDialog.java:528)
at com.android.aas.ui.ActionSelectionDialog.lambda$getPreviewAndTryToInitializeModel$6(ActionSelectionDialog.java:598)
at com.intellij.openapi.progress.impl.CoreProgressManager$1.run(CoreProgressManager.java:225)
at com.intellij.openapi.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:894)
at com.intellij.openapi.progress.impl.CoreProgressManager$5.run(CoreProgressManager.java:447)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:169)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:591)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:537)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:59)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:156)
at com.intellij.openapi.application.impl.ApplicationImpl.lambda$null$9(ApplicationImpl.java:552)
at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:294)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2020-02-24 17:15:40,455 [ 210135] ERROR - llij.ide.plugins.PluginManager - Android Studio 3.6 RC 3 Build #AI-192.7142.36.36.6186006
2020-02-24 17:15:40,455 [ 210135] ERROR - llij.ide.plugins.PluginManager - JDK: 1.8.0_212-release; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o
2020-02-24 17:15:40,455 [ 210135] ERROR - llij.ide.plugins.PluginManager - OS: Mac OS X
2020-02-24 17:15:40,456 [ 210136] ERROR - llij.ide.plugins.PluginManager - Plugin to blame: App Actions Test Tool version: 3.1.0
2020-02-24 17:15:40,456 [ 210136] ERROR - llij.ide.plugins.PluginManager - Last Action: AAS.Test
Seems that version 3.1.3 of the plugin fix this issue but this version is not compatible with 3.6 RC3 or 4.0 Canary 9.
Did someone have a solution?
Thanks for reporting this issue. It's is a known issue, and 3.1.4 is being released. Please check out in around two days. Do keep us posted if this issue persists.