RFR: 7105119 [TEST_BUG] [macosx] In test UIDefaults.toString() mast be called with the invokeLater()

[Sergey Bylokhov]

Hello.
Please review the fix for jdk/client.

Bug: https://bugs.openjdk.java.net/browse/JDK-7105119
Fix: http://cr.openjdk.java.net/~serb/7105119/webrev.00

The code in the test was wrapped by the invokeAndWait, also the
loop for all L&Fs was added just in case.

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Best regards, Sergey.