8263235: sanity/client/SwingSet/src/ColorChooserDemoTest.java failed throwing java.lang.NoClassDefFoundError

Reviewed-by: psadhukhan, serb

Author: Your Name

test/jdk/sanity/client/SwingSet/src/ColorChooserDemoTest.java

@@ -62,6 +62,7 @@
 * @library /sanity/client/lib/SwingSet3/src
 * @modules java.desktop
 *          java.logging
+* @build org.jemmy2ext.JemmyExt
 * @build com.sun.swingset3.demos.colorchooser.ColorChooserDemo
 * @run testng ColorChooserDemoTest
 */

test/jdk/sanity/client/SwingSet/src/GridBagLayoutDemoTest.java

@@ -50,6 +50,7 @@
  * @library /sanity/client/lib/SwingSet3/src
  * @modules java.desktop
  *          java.logging
+ * @build org.jemmy2ext.JemmyExt
  * @build com.sun.swingset3.demos.gridbaglayout.GridBagLayoutDemo
  * @run testng/timeout=600 GridBagLayoutDemoTest
  */