Intermittent UI test failure - < SettingsPrivacyTest. openExternalLinksInPrivateTest >

[AndiAJ]

Firebase Test Run: Firebase link

Stacktrace:

java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.test.uiautomator.UiObject2.click()' on a null object reference
at org.mozilla.fenix.ui.robots.BrowserRobot$Transition.openTabDrawer(BrowserRobot.kt:696)
at org.mozilla.fenix.ui.SettingsPrivacyTest.openExternalLinksInPrivateTest(SettingsPrivacyTest.kt:335)
at java.lang.reflect.Method.invoke(Native Method)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at androidx.test.internal.runner.junit4.statement.RunBefores.evaluate(RunBefores.java:80)
at androidx.test.internal.runner.junit4.statement.RunAfters.evaluate(RunAfters.java:61)
at androidx.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:531)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:395)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:2145)

Build: 4/1

┆Issue is synchronized with this Jira Task

[AndiAJ]

Flaky 1x on 4/27 Main Firebase link

[AndiAJ]

Flaky 1x on 4/28 Main Firebase link

[AndiAJ]

Flaky 1x on 4/29 Main Firebase link

androidx.test.espresso.NoActivityResumedException: No activities found. Did you forget to launch the activity by calling getActivity() or startActivitySync or similar?
at dalvik.system.VMStack.getThreadStackTrace(Native Method)
at java.lang.Thread.getStackTrace(Thread.java:1736)
at androidx.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:12)
at androidx.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:7)
at androidx.test.espresso.ViewInteraction.waitForAndHandleInteractionResults(ViewInteraction.java:8)
at androidx.test.espresso.ViewInteraction.desugaredPerform(ViewInteraction.java:11)
at androidx.test.espresso.ViewInteraction.perform(ViewInteraction.java:4)
at org.mozilla.fenix.ui.robots.HomeScreenRobot$Transition.openThreeDotMenu(HomeScreenRobot.kt:245)
at org.mozilla.fenix.ui.SettingsPrivacyTestKt.setOpenLinksInPrivateOn(SettingsPrivacyTest.kt:625)
at org.mozilla.fenix.ui.SettingsPrivacyTestKt.access$setOpenLinksInPrivateOn(SettingsPrivacyTest.kt:1)
at org.mozilla.fenix.ui.SettingsPrivacyTest.openExternalLinksInPrivateTest(SettingsPrivacyTest.kt:343)

[AndiAJ]

Failed 1x on 5/3 Main
Firebase link
Firebase link

[AndiAJ]

Disabled in #25082

[AndiAJ]

Fixed with #25856