Random failing PlatformUITest#testCreateAndRunWorkbench() #1517
Description
The test case org.eclipse.ui.tests.rcp.PlatformUITest#testCreateAndRunWorkbench() has been randomly failing in recent builds. One recent failure happened in this build: https://github.com/eclipse-platform/eclipse.platform.ui/pull/1514/checks?check_run_id=20614845943
Async from qualified thread did not run during startup. See RCPTestWorkbenchAdvisor.preStartup() expected:<true> but was:<false>
java.lang.AssertionError: Async from qualified thread did not run during startup. See RCPTestWorkbenchAdvisor.preStartup() expected:<true> but was:<false>
at org.junit.Assert.fail(Assert.java:89)
at org.junit.Assert.failNotEquals(Assert.java:835)
at org.junit.Assert.assertEquals(Assert.java:120)
at org.eclipse.ui.tests.rcp.PlatformUITest.testCreateAndRunWorkbench(PlatformUITest.java:72)