hg: jdk/submit: 8209993: Create a test for SwingSet3 ToolTipDemo

[alexandre.iline at oracle.com]

Changeset: 02572bed95b6
Author:    akolarkunnu
Date:      2018-08-30 03:01 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/02572bed95b6

8209993: Create a test for SwingSet3 ToolTipDemo
Reviewed-by: serb
Contributed-by: abdul.kolarkunnu at oracle.com

+ test/jdk/sanity/client/SwingSet/src/ToolTipDemoTest.java
+ test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tooltip/ToolTipDemo.java
+ test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tooltip/resources/ToolTipDemo.properties
+ test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tooltip/resources/images/ToolTipDemo.gif
+ test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tooltip/resources/images/tooltip_background.png