--- a/jdk/test/java/lang/StringBuilder/AppendStringBuffer.java	Wed Apr 29 08:37:57 2015 -0700
+++ b/jdk/test/java/lang/StringBuilder/AppendStringBuffer.java	Wed Apr 29 10:25:53 2015 -0700
@@ -24,6 +24,7 @@
 /* @test
  * @bug 6206780
  * @summary Test StringBuilder.append(StringBuffer);
+ * @key randomness
  */
 
 import java.util.Random;