Tests failed because of inconsistent in active threads count when libgraal is used.

java/lang/management/ThreadMXBean/ThreadLists.java
java/lang/management/ThreadMXBean/ResetPeakThreadCount.java
java/lang/management/ManagementFactory/ValidateOpenTypes.java
java/lang/management/ManagementFactory/ProxyTypeMapping.java

ThreadGroup: 8 active thread(s)
Thread: 9 stack trace(s) returned
ThreadMXBean: 9 live threads(s)
ThreadMXBean: 9 thread Id(s)
----------System.err:(12/704)----------
java.lang.RuntimeException: inconsistent results