--- old/test/hotspot/jtreg/serviceability/tmtools/jstat/GcTest01.java	2020-01-17 17:09:23.412133052 +0100
+++ new/test/hotspot/jtreg/serviceability/tmtools/jstat/GcTest01.java	2020-01-17 17:09:23.313133058 +0100
@@ -35,7 +35,7 @@
  * @library /test/lib
  * @library ../share
  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
- * @requires vm.gc != "Z"
+ * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  * @run main/othervm -XX:+UsePerfData -Xmx128M GcTest01
  */
 import utils.*;