[9] Review Request for 8055836: move awt tests from AWT_Modality to OpenJDK repository - part 9

[alexander stepanov]

Hello,

Could you please review the fix for
https://bugs.openjdk.java.net/browse/JDK-8055836
webrev:
http://cr.openjdk.java.net/~avstepan/8055836/

This is the result of refactoring for corresponding portion of 
functional AWT tests.

The test was checked on Windows 7, Solaris 11, Mac OS X 10.8.5 and 
Ubuntu 12.04 Linux.

Thanks,
Alexander