--- a/test/jdk/sanity/client/SwingSet/src/ComboBoxDemoTest.java	Mon Oct 15 11:53:15 2018 -0400
+++ b/test/jdk/sanity/client/SwingSet/src/ComboBoxDemoTest.java	Thu Oct 11 07:22:53 2018 -0700
@@ -45,7 +45,7 @@
  *          java.logging
  * @build org.jemmy2ext.JemmyExt
  * @build com.sun.swingset3.demos.combobox.ComboBoxDemo
- * @run testng ComboBoxDemoTest
+ * @run testng/timeout=600 ComboBoxDemoTest
  */
 @Listeners(GuiTestListener.class)
 public class ComboBoxDemoTest {