--- old/test/hotspot/jtreg/gc/z/TestUncommit.java	2019-05-16 11:57:17.672855260 -0700
+++ new/test/hotspot/jtreg/gc/z/TestUncommit.java	2019-05-16 11:57:17.232855283 -0700
@@ -25,7 +25,7 @@
 
 /*
  * @test TestUncommit
- * @requires vm.gc.Z
+ * @requires vm.gc.Z & !vm.graal.enabled
  * @summary Test ZGC uncommit unused memory
  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -Xms128M -Xmx512M -XX:ZUncommitDelay=10 gc.z.TestUncommit true 3
  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -Xms512M -Xmx512M -XX:ZUncommitDelay=10 gc.z.TestUncommit false 1