8160650: Couple awt and swing tests have wrong require jtreg arguments
Reviewed-by: serb

8132958: [TEST_BUG] Part 1: update client tests failing after changes in setAccessible(true) routine
Reviewed-by: alexsch, serb

7043963: AWT workaround missing for Mutter.
Reviewed-by: art, anthony
Contributed-by: Denis Lila <dlila@redhat.com>