Test javax/swing/plaf/metal/MetalLookAndFeel/Test8039750.java fails in mach5

This test fail in mach5:
----------System.err:(14/793)----------
java.lang.Error: javax.swing.plaf.metal.MetalBorders$ButtonBorder
at Test8039750.test(Test8039750.java:63)
at Test8039750.test(Test8039750.java:70)
at Test8039750.main(Test8039750.java:37)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)

JavaTest Message: Test threw exception: java.lang.Error
JavaTest Message: shutting down test