[7u] Request for approval for CR 7153702 [TEST_BUG] [macosx] Synchronization problem in test javax/swing/JPopupMenu/6827786/bug6827786.java

[Konstantin Shefov]

Hello,

Please review a fix for the issue:
7153702 [TEST_BUG] [macosx] Synchronization problem in test 
javax/swing/JPopupMenu/6827786/bug6827786.java

The webrev is: http://cr.openjdk.java.net/~kshefov/7153702/webrev.00

Direct backport form jdk 8

Thanks,
Konstantin