8159690: [TESTBUG] Mark headful tests with @key headful.
Reviewed-by: simonis, alexsch

8134984: Text files should end in exactly one newline
Summary: automated fixup of newlines at end-of-file via the usual perl one-liner
Reviewed-by: chegar, sherman

8025815: Child FileDialog of modal dialog does not get focus on Gnome
Reviewed-by: azvegint, serb