--- old/test/hotspot/jtreg/gc/arguments/TestMaxMinHeapFreeRatioFlags.java 2020-01-17 17:09:07.048133954 +0100 +++ new/test/hotspot/jtreg/gc/arguments/TestMaxMinHeapFreeRatioFlags.java 2020-01-17 17:09:06.946133960 +0100 @@ -25,7 +25,7 @@ * @test TestMaxMinHeapFreeRatioFlags * @key gc * @summary Verify that heap size changes according to max and min heap free ratios. - * @requires vm.gc != "Z" + * @requires vm.gc != "Z" & vm.gc != "Shenandoah" * @library /test/lib * @modules java.base/jdk.internal.misc * java.management