We see now and then failures of gc/shenandoah/TestAllocHumongousFragment.java in our nightly tests.
Should this test be adjusted with key intermittent ?

For example
gc/shenandoah/TestAllocHumongousFragment.java#adaptive

java.lang.OutOfMemoryError: Java heap space
       at TestAllocHumongousFragment.main(TestAllocHumongousFragment.java:195)
       at java.base/java.lang.invoke.LambdaForm$DMH/0x0000000801001800.invokeStatic(LambdaForm$DMH)
       at java.base/java.lang.invoke.LambdaForm$MH/0x0000000801002c00.invoke(LambdaForm$MH)
       at java.base/java.lang.invoke.Invokers$Holder.invokeExact_MT(Invokers$Holder)
       at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(DirectMethodHandleAccessor.java:155)
       at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
       at java.base/java.lang.reflect.Method.invoke(Method.java:578)
       at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
       at java.base/java.lang.Thread.runWith(Thread.java:1636)
       at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: java.lang.OutOfMemoryError: Java heap space
JavaTest Message: shutting down test

not only #adaptive fails, also failures in #aggressive or #iu-aggressive are seen .
Failures occur on various platforms (Linux , Windows , sometimes Mac).