test/javax/swing/JTree/4927934/bug4927934.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.

@@ -18,11 +18,13 @@
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
-/* @test
+/*
+   @test
+  @key headful
    @bug 4927934
    @summary JTree traversal is unlike Native windows tree traversal
    @author Andrey Pikalev
    @run main bug4927934
 */