test/javax/swing/JPopupMenu/7156657/bug7156657.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

@@ -27,11 +27,13 @@
 import javax.swing.*;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.util.concurrent.Callable;
 
-/* @test
+/*
+   @test
+  @key headful
    @bug 7156657
    @summary Version 7 doesn't support translucent popup menus against a translucent window
    @library ../../regtesthelpers
    @author Pavel Porvatov
 */