(testbug) MOptionTest test fails with java.lang.AssertionError: Classfiles too old!

MOptionTest fails with

test: testOneModule
Exception running test testOneModule: java.lang.AssertionError: Classfiles too old!
java.lang.AssertionError: Classfiles too old!
at MOptionTest.testOneModule(MOptionTest.java:110)
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:569)
at toolbox.TestRunner.runTests(TestRunner.java:89)
at ModuleTestBase.runTests(ModuleTestBase.java:49)
at MOptionTest.main(MOptionTest.java:46)
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:569)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)