[14] Review Request: 8134672 [TEST_BUG] Some tests should check isDisplayChangeSupported

[Sergey Bylokhov]

Hello.
Please review the fix for JDK 14.

Bug: https://bugs.openjdk.java.net/browse/JDK-8134672
Fix: http://cr.openjdk.java.net/~serb/8134672/webrev.00

The test did not check the "isDisplayChangeSupported" but tried o change the 
mode of the first screen.

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Best regards, Sergey.