<Swing Dev> RFR: 8198395: Test javax/swing/plaf/metal/MetalLookAndFeel/Test8039750.java fails in mach5 [v2]

[Prasanta Sadhukhan]

> Please review a test fix for an issue seen to be failing in mach5.
> Test is stabilised by making the test run under EDT.
> Mach5 job was run for several iteration on all 3 platforms. Link in JBS

Prasanta Sadhukhan has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:

 - Merge branch 'master' into JDK-8198395
 - Fixed jcheck issue
 - 8198395: Test javax/swing/plaf/metal/MetalLookAndFeel/Test8039750.java fails in mach5

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Changes: https://git.openjdk.java.net/jdk/pull/715/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=715&range=01
  Stats: 29 lines in 1 file changed: 3 ins; 0 del; 26 mod
  Patch: https://git.openjdk.java.net/jdk/pull/715.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/715/head:pull/715

PR: https://git.openjdk.java.net/jdk/pull/715