--- old/test/hotspot/jtreg/gc/TestSystemGC.java	2018-11-28 19:19:25.400284398 +0100
+++ new/test/hotspot/jtreg/gc/TestSystemGC.java	2018-11-28 19:19:25.244285490 +0100
@@ -34,8 +34,6 @@
  * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  * @run main/othervm -XX:+UseLargePages TestSystemGC
  * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace TestSystemGC
- * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestSystemGC
- * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  */
 
 /*
@@ -47,6 +45,14 @@
  * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  */
 
+/*
+ * @test TestSystemGCShenandoah
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ * @summary Runs System.gc() with different flags.
+ * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestSystemGC
+ * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
+ */
 public class TestSystemGC {
   public static void main(String args[]) throws Exception {
     System.gc();