----------System.out:(1/49)----------
Button center point: java.awt.Point[x=640,y=522]
----------System.err:(12/747)----------
Red: 0; Green: 255; Blue: 0
java.lang.RuntimeException: Synth ButtonUI does not handle PRESSED & MOUSE_OVER state
at bug6276188.main(bug6276188.java:93)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)

The test failed in the same task run as a failure linked to JDK-8354901. It is interesting to note that the problem in JDK-8354901 is the unexpected capture of the mouse pointer, and the image captured for this test also shows the mouse pointer in the middle of the red region.