--- old/test/hotspot/jtreg/gc/stress/systemgc/TestSystemGCWithShenandoah.java	2020-04-04 02:23:35.956171678 +0200
+++ new/test/hotspot/jtreg/gc/stress/systemgc/TestSystemGCWithShenandoah.java	2020-04-04 02:23:35.853172631 +0200
@@ -41,6 +41,21 @@
  *      -XX:+UseShenandoahGC
  *      gc.stress.systemgc.TestSystemGCWithShenandoah 270
  */
+
+/*
+ * @test TestSystemGCWithShenandoah
+ * @key gc
+ * @key stress
+ * @library /
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ * @summary Stress the Shenandoah GC full GC by allocating objects of different lifetimes concurrently with System.gc().
+ *
+ * @run main/othervm/timeout=300 -Xlog:gc*=info -Xmx512m -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ *      -XX:+ShenandoahVerify
+ *      gc.stress.systemgc.TestSystemGCWithShenandoah 270
+ *
+ */
 public class TestSystemGCWithShenandoah {
     public static void main(String[] args) throws Exception {
         TestSystemGC.main(args);