--- old/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCapacityTest.java	2018-06-01 23:13:18.858553295 +0200
+++ new/test/hotspot/jtreg/serviceability/tmtools/jstat/GcCapacityTest.java	2018-06-01 23:13:18.598542202 +0200
@@ -27,6 +27,7 @@
  * @test
  * @summary Test checks the consistency of the output
  * displayed with jstat -gccapacity.
+ * @requires vm.gc != "Z"
  * @modules java.base/jdk.internal.misc
  * @library /test/lib
  * @library ../share