ShapeNotSetSometimes.java fails intermittently with the following error on macOS-aarch64

Checking 150, 130, java.awt.Color[r=55,g=55,b=55] should be java.awt.Color[r=255,g=255,b=255]
window.getX() = 810, window.getY() = 386
----------System.err:(18/1153)----------
Checking for transparency failed: point: 960, 516
actual java.awt.Color[r=55,g=55,b=55]
expected java.awt.Color[r=255,g=255,b=255]
java.lang.RuntimeException: Test failed. The shape has not been applied.
at ShapeNotSetSometimes.colorCheck(ShapeNotSetSometimes.java:200)
at ShapeNotSetSometimes.doTest(ShapeNotSetSometimes.java:151)
at ShapeNotSetSometimes.main(ShapeNotSetSometimes.java:138)
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:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:834)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed. The shape has not been applied.