diff -r cb20bf10cfbd -r 1e0cdaf980f3 test/jdk/sanity/client/SwingSet/src/GridBagLayoutDemoTest.java
--- a/test/jdk/sanity/client/SwingSet/src/GridBagLayoutDemoTest.java	Mon Oct 15 11:53:15 2018 -0400
+++ b/test/jdk/sanity/client/SwingSet/src/GridBagLayoutDemoTest.java	Thu Oct 11 07:22:53 2018 -0700
@@ -51,7 +51,7 @@
  * @modules java.desktop
  *          java.logging
  * @build com.sun.swingset3.demos.gridbaglayout.GridBagLayoutDemo
- * @run testng GridBagLayoutDemoTest
+ * @run testng/timeout=600 GridBagLayoutDemoTest
  */
 
 @Listeners(GuiTestListener.class)