test/java/lang/management/MemoryMXBean/CollectionUsageThreshold.java

*** 30,39 ****
--- 30,40 ----
   *
   * @author  Mandy Chung
   *
   * @library /lib/testlibrary/
   * @build jdk.testlibrary.* CollectionUsageThreshold MemoryUtil RunUtil
+  * @requires vm.opt.ExplicitGCInvokesConcurrent == "false" | vm.opt.ExplicitGCInvokesConcurrent == "null"
   * @run main/timeout=300 CollectionUsageThreshold
   */
  
  import java.util.*;
  import java.util.concurrent.*;