[12] RFR JDK-8209343:Test javax/swing/border/TestTitledBorderLeak.java should be marked as headful

[Prasanta Sadhukhan]

Hi All,

Please review this test which needs to be marked headful to avoid mach5 
test failing.

--- a/test/jdk/javax/swing/border/TestTitledBorderLeak.java Thu Aug 09 
11:01:59 2018 +0530
+++ b/test/jdk/javax/swing/border/TestTitledBorderLeak.java    Fri Aug 
10 10:45:51 2018 +0530
@@ -31,6 +31,7 @@

 /**
  * @test
+ * @key headful
  * @bug 8204963
  * @summary Verifies TitledBorder's memory leak
  * @run main TestTitledBorderLeak

Regards
Prasanta