--- old/test/hotspot/jtreg/gc/arguments/TestNewSizeFlags.java	2018-12-03 17:49:11.393665080 +0100
+++ new/test/hotspot/jtreg/gc/arguments/TestNewSizeFlags.java	2018-12-03 17:49:11.237666194 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, 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
@@ -26,7 +26,7 @@
  * @key gc
  * @bug 8025166
  * @summary Verify that young gen size conforms values specified by NewSize, MaxNewSize and Xmn options
- * @requires vm.gc != "Z"
+ * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.management