<Swing Dev> [8] Review request for JDK-8001876: Create regtest for 8000283

[vera akulova]

Hello,

Please review a fix for the issue:
    JDK-8001876: Create regtest for 8000283

The webrev is http://cr.openjdk.java.net/~kshefov/8001876/webrev/

The new manual regression test is for checking that shorcuts are 
displayed in the screen menu on macosx.

Thanks,
Vera.