1793211 - Intermittent unit test failure - mozilla.components.support.webextensions.WebExtensionSupportTest - reacts to tab being closed by removing tab from store

Status: RESOLVED INCOMPLETE

(Firefox for Android :: WebExtensions, defect, P5)

Description

[Christian Sadilek [:csadilek]]

From github: https://github.com/mozilla-mobile/android-components/issues/12697.

Issue seen for https://github.com/mozilla-mobile/android-components/pull/12695

Logs - https://firefox-ci-tc.services.mozilla.com/tasks/M7UpbYQqSyOxmZ_ZXSwoKg/runs/0/logs/public/logs/live.log

Stacktrace:

java.lang.IllegalStateException: Dispatchers.Main is used concurrently with setting it
at kotlinx.coroutines.test.internal.TestMainDispatcher$NonConcurrentlyModifiable.concurrentRW(TestMainDispatcher.kt:70)
at kotlinx.coroutines.test.internal.TestMainDispatcher$NonConcurrentlyModifiable.setValue(TestMainDispatcher.kt:86)
at kotlinx.coroutines.test.internal.TestMainDispatcher.resetDispatcher(TestMainDispatcher.kt:40)
at kotlinx.coroutines.test.TestDispatchers.resetMain(TestDispatchers.kt:37)
at mozilla.components.support.test.rule.MainCoroutineRule.finished(MainCoroutineRule.kt:53)
at org.junit.rules.TestWatcher.finishedQuietly(TestWatcher.java:117)
at org.junit.rules.TestWatcher.access$400(TestWatcher.java:46)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:64)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:591)
at org.robolectric.internal.SandboxTestRunner$2.lambda$evaluate$0(SandboxTestRunner.java:274)
at org.robolectric.internal.bytecode.Sandbox.lambda$runOnMainThread$0(Sandbox.java:88)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Suppressed: org.robolectric.android.internal.AndroidTestEnvironment$UnExecutedRunnablesException: Main looper has queued unexecuted runnables. This might be the cause of the test failure. You might need a shadowOf(Looper.getMainLooper()).idle() call.

Change performed by the Move to Bugzilla add-on.

Comment 1

[BugBot [:suhaib / :marco]]

The severity field is not set for this bug.
:cpeterson, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 2

[BugBot [:suhaib / :marco]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Comment 3

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=410364645&repo=firefox-android

Comment 4

[Intermittent Failures Robot]

1 failures in 3863 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• firefox-android: 1

Platform and build breakdown:

• AC-android-all: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1793211&startday=2023-03-27&endday=2023-04-02&tree=all

Comment 5

[BugBot [:suhaib / :marco]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit BugBot documentation.