Exception logged is :
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Exception in thread "Test worker" java.lang.IllegalArgumentException: Cycle in effect chain detected, binding was set to incorrect value, unbinding the input property

Exception occurrences in tests :
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test.javafx.scene.effect.BlendTest ---- 5 occurrences
test.javafx.scene.effect.EffectInputTest ---- 182 occurrences
test.javafx.scene.effect.LightingTest ---- 5 occurrences
test.javafx.scene.Node_bind_Test ---- 2 occurrences [Node's clip set to incorrect value through binding]

Action needed :
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In few scenarios, it looked like the exception is expected - if this observation is found to be true, then the exception should be caught in test and a more meaningful message such as "this exception is expected" should be logged.