--- old/test/hotspot/jtreg/gc/arguments/TestNewRatioFlag.java 2018-06-06 00:36:22.091416353 +0200 +++ new/test/hotspot/jtreg/gc/arguments/TestNewRatioFlag.java 2018-06-06 00:36:21.833405243 +0200 @@ -26,6 +26,7 @@ * @key gc * @bug 8025166 * @summary Verify that heap devided among generations according to NewRatio + * @requires vm.gc != "Z" * @library /test/lib * @modules java.base/jdk.internal.misc * java.management