8031425: Two langtools/javac tests fail by timeout on Windows

Reviewed-by: vromero, jjg

test/tools/javac/defaultMethods/static/hiding/InterfaceMethodHidingTest.java

 /*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,6 +26,7 @@
  * @bug 8005166
  * @summary Add support for static interface methods
  *          Smoke test for static interface method hiding
+ * @run main/timeout=600 InterfaceMethodHidingTest
  */
 
 import com.sun.source.util.JavacTask;

test/tools/javac/lambda/FunctionalInterfaceConversionTest.java

 /*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@
  * @author  Maurizio Cimadamore
  * @library ../lib
  * @build JavacTestingAbstractThreadedTest
- * @run main/othervm FunctionalInterfaceConversionTest
+ * @run main/timeout=600/othervm FunctionalInterfaceConversionTest
  */
 
 // use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047)