javax/swing/JInternalFrame/8146321/JInternalFrameIconTest.java fails on linux-x64

javax/swing/JInternalFrame/8146321/JInternalFrameIconTest.java fails on linux-x64 citing
[javax.swing.plaf.nimbus.NimbusLookAndFeel] : SUCCESS: icon and imageIcon same.
----------System.err:(16/1110)----------
[javax.swing.plaf.metal.MetalLookAndFeel] : ERROR: icon and imageIcon not same.
java.lang.RuntimeException: Error Log:
[javax.swing.plaf.metal.MetalLookAndFeel] : ERROR: icon and imageIcon not same.
at JInternalFrameIconTest.main(JInternalFrameIconTest.java:71)
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:567)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:830)