JDI AfterThreadDeathTest.java failed due to "FAILED: Did not get expected IllegalThreadStateException on a StepRequest.enable()"

The following test failed in the JDK14 CI:

com/sun/jdi/AfterThreadDeathTest.java

Here's a snippet from the log file:

----------System.err:(25/1393)----------
[1ms] run args: [AfterDeathTarg]
[521ms] Got ThreadDeathEvent: ThreadDeathEvent in thread main
[525ms] Got ThreadStartEvent: ThreadStartEvent in thread Common-Cleaner
[525ms] FAILED: Did not get expected IllegalThreadStateException on a StepRequest.enable()
[534ms] Got ThreadStartEvent: ThreadStartEvent in thread DestroyJavaVM
[534ms] Deleted stepRequest
[536ms] Ok; got expected IllegalThreadStateException
[544ms] Got ThreadDeathEvent: ThreadDeathEvent in thread DestroyJavaVM
[545ms] Got VMDeathEvent
[545ms] Got VMDeathEvent
[883ms] Got VMDisconnectEvent
java.lang.Exception: AfterThreadDeathTest: failed
at AfterThreadDeathTest.runTests(AfterThreadDeathTest.java:156)
at TestScaffold.startTests(TestScaffold.java:431)
at AfterThreadDeathTest.main(AfterThreadDeathTest.java:63)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:830)

JavaTest Message: Test threw exception: java.lang.Exception
JavaTest Message: shutting down test

----------System.out:(10/419)----------
vmOpts: '-Xmx512m -XX:MaxRAMPercentage=6 -ea -esa'
javaOpts: '-XX:NativeMemoryTracking=detail'
JVM version:14-ea
JDI version: 14.0
JVM description: Java Debug Interface (Reference Implementation) version 14.0
Java Debug Wire Protocol (Reference Implementation) version 14.0
JVM Debug Interface version 14.0
JVM version 14-ea (Java HotSpot(TM) 64-Bit Server VM, mixed mode, sharing)
Howdy!
Goodbye from AfterDeathTarg!
result: Failed. Execution failed: `main' threw exception: java.lang.Exception: AfterThreadDeathTest: failed


test result: Failed. Execution failed: `main' threw exception: java.lang.Exception: AfterThreadDeathTest: failed