Merge pull request #21828 from fengxue-IS/21037

Update assertion to account for state change in afterYield

Author: babsingh

runtime/vm/ContinuationHelpers.cpp

@@ -1207,8 +1207,8 @@ takeVirtualThreadListToUnblock(J9VMThread *currentThread)
 					continue;
 				case JAVA_LANG_VIRTUALTHREAD_WAIT:
 				case JAVA_LANG_VIRTUALTHREAD_TIMED_WAIT:
-					/* WAIT/TIMED_WAIT can only be added to blocked list if they have been notifed and threads updated. */
-					Assert_VM_unreachable();
+					/* WAIT/TIMED_WAIT can only be added to blocked list if they have been notified. */
+					Assert_VM_true(J9VMJAVALANGVIRTUALTHREAD_NOTIFIED(currentThread, current->vthread));
 					break;
 				case JAVA_LANG_VIRTUALTHREAD_BLOCKED:
 				{