--- old/test/hotspot/jtreg/gc/arguments/TestTargetSurvivorRatioFlag.java	2020-02-06 19:18:42.584546899 +0100
+++ new/test/hotspot/jtreg/gc/arguments/TestTargetSurvivorRatioFlag.java	2020-02-06 19:18:42.419546914 +0100
@@ -27,7 +27,7 @@
  * @summary Verify that option TargetSurvivorRatio affects survivor space occupancy after minor GC.
  * @requires (vm.opt.ExplicitGCInvokesConcurrent == null) | (vm.opt.ExplicitGCInvokesConcurrent == false)
  * @requires (vm.opt.UseJVMCICompiler == null) | (vm.opt.UseJVMCICompiler == false)
- * @requires vm.gc != "Z"
+ * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.management