Running runtime/modules/IgnoreModulePropertiesTest.java with OpenJDK leads to:

STDERR:
 stdout: [];
 stderr: [OpenJDK 64-Bit Server VM warning: Ignoring system property options whose names match the '-Djdk.module.*'. names that are reserved for internal use.
openjdk version "9-internal"
OpenJDK Runtime Environment (build 9-internal+0-adhoc.cthalinger.jdk9)
OpenJDK 64-Bit Server VM (build 9-internal+0-adhoc.cthalinger.jdk9, mixed mode)
]
 exitValue = 0

java.lang.RuntimeException: 'java version ' missing from stdout/stderr

at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:134)
at IgnoreModulePropertiesTest.testProperty(IgnoreModulePropertiesTest.java:47)
at IgnoreModulePropertiesTest.testOption(IgnoreModulePropertiesTest.java:66)
at IgnoreModulePropertiesTest.main(IgnoreModulePropertiesTest.java:70)
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:547)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
at java.base/java.lang.Thread.run(Thread.java:844)