diff -r 02c08e20d66c -r 53aae0c219e6 test/langtools/tools/javac/modules/AddModulesTest.java
--- a/test/langtools/tools/javac/modules/AddModulesTest.java	Wed Apr 18 13:37:39 2018 -0400
+++ b/test/langtools/tools/javac/modules/AddModulesTest.java	Wed Apr 18 16:02:53 2018 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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
@@ -73,7 +73,7 @@
                 .getOutput(Task.OutputKind.DIRECT);
 
         checkOutputContains(log,
-            "javac: no value for --add-modules option");
+            "error: no value for --add-modules option");
     }
 
     @Test
@@ -120,7 +120,7 @@
                 .getOutput(Task.OutputKind.DIRECT);
 
         checkOutputContains(log,
-            "javac: bad value for --add-modules option");
+            "error: bad value for --add-modules option");
     }
 
     @Test