Even after JDK-8263461 was fixed we still see some failures:

----------System.err:(15/931)----------
java.lang.RuntimeException: No events: expected false, was true
at jdk.test.lib.Asserts.fail(Asserts.java:594)
at jdk.test.lib.Asserts.assertFalse(Asserts.java:461)
at jdk.test.lib.jfr.Events.hasEvents(Events.java:161)
at jdk.jfr.event.gc.detailed.TestEvacuationFailedEvent.main(TestEvacuationFailedEvent.java:64)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:833)