--- old/test/hotspot/jtreg/gc/TestAllocateHeapAtError.java	2018-06-06 00:36:19.887321442 +0200
+++ new/test/hotspot/jtreg/gc/TestAllocateHeapAtError.java	2018-06-06 00:36:19.635310590 +0200
@@ -24,6 +24,7 @@
 /* @test TestAllocateHeapAtError.java
  * @key gc
  * @summary Test to check correct handling of non-existent directory passed to AllocateHeapAt option
+ * @requires vm.gc != "Z"
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  */
@@ -75,4 +76,3 @@
     output.shouldNotHaveExitValue(0);
   }
 }
-