--- old/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCauseTest01.java	2018-06-06 00:36:28.436689590 +0200
+++ new/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCauseTest01.java	2018-06-06 00:36:28.175678350 +0200
@@ -32,6 +32,7 @@
  * @library /test/lib
  * @library ../share
  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
+ * @requires vm.gc != "Z"
  * @run main/othervm -XX:+UsePerfData -Xmx128M GcCauseTest01
  */
 import utils.*;