OpenJDK jdk/internal/misc/ThreadFlock/ThreadFlockTest testInterruptClose2 AssertionFailedError: expected: <true> but was: <false>

[pshipton]

https://openj9-jenkins.osuosl.org/job/Test_openjdk21_j9_sanity.openjdk_x86-64_mac_OMR_testList_1/149
jdk_lang_1
jdk/internal/misc/ThreadFlock/ThreadFlockTest.java#platform

11:00:11  STARTED    ThreadFlockTest::testInterruptClose2 '[1] java.lang.ThreadBuilders$PlatformThreadFactory@cf3eadf5'
11:00:11  org.opentest4j.AssertionFailedError: expected: <true> but was: <false>
11:00:11  	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
11:00:11  	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
11:00:11  	at org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
11:00:11  	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
11:00:11  	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:31)
11:00:11  	at org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:180)
11:00:11  	at ThreadFlockTest.testInterruptClose2(ThreadFlockTest.java:931)

[github-actions]

Issue Number: 20822
Status: Open
Recommended Components: comp:vm, comp:jit, comp:test