--- old/test/java/lang/StringBuffer/AppendStringBuilder.java	2015-04-21 18:51:47.503936818 -0700
+++ new/test/java/lang/StringBuffer/AppendStringBuilder.java	2015-04-21 18:51:47.315842814 -0700
@@ -23,6 +23,7 @@
 /* @test
  * @bug 6206780
  * @summary Test StringBuffer.append(StringBuilder);
+ * @key randomness
  */
 
 import java.util.Random;