test/jdk/java/lang/Thread/virtual/YieldQueuing.java

*** 26,20 ***
--- 26,28 ---
   * @summary Test Thread.yield submits the virtual thread task to the expected queue
   * @requires vm.continuations
   * @run junit/othervm -Djdk.virtualThreadScheduler.maxPoolSize=1 YieldQueuing
   */
  
+ import java.lang.invoke.MethodHandles;
  import java.util.List;
  import java.util.concurrent.CopyOnWriteArrayList;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.concurrent.locks.LockSupport;
  
  import org.junit.jupiter.api.Test;
+ import org.junit.jupiter.api.BeforeAll;
  import static org.junit.jupiter.api.Assertions.*;
  
  class YieldQueuing {
  
+     @BeforeAll
+     static void setup() throws Exception {
+         // waiting for LockSupport to be initialized can change the scheduling
+         MethodHandles.lookup().ensureInitialized(LockSupport.class);
+     }
+ 
      /**
       * Test Thread.yield submits the task for the current virtual thread to a scheduler
       * submission queue when there are no tasks in the local queue.
       */
      @Test