--- old/test/jdk/com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java	2018-06-06 00:36:33.293898748 +0200
+++ new/test/jdk/com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java	2018-06-06 00:36:33.034887595 +0200
@@ -25,6 +25,7 @@
  * @test
  * @bug     4858522 6191542
  * @summary Basic unit test of OperatingSystemMXBean.getCommittedVirtualMemorySize()
+ * @requires vm.gc != "Z"
  * @author  Steve Bohne
  */