--- old/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCauseTest02.java	2018-11-30 10:21:37.776165770 +0100
+++ new/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCauseTest02.java	2018-11-30 10:21:37.621167569 +0100
@@ -28,7 +28,7 @@
  *          test forces debuggee application eat ~70% of heap and runs jstat.
  *          jstat should show actual usage of old gen (OC/OU ~= old gen usage).
  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
- * @requires vm.gc != "Z"
+ * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  * @modules java.base/jdk.internal.misc
  * @library /test/lib
  * @library ../share