--- jsr166/src/test/tck/ForkJoinTaskTest.java	2018/07/22 20:47:22	1.56
+++ jsr166/src/test/tck/ForkJoinTaskTest.java	2019/08/12 15:08:44	1.57
@@ -499,6 +499,8 @@ public class ForkJoinTaskTest extends JS
                 AsyncFib f = new AsyncFib(8);
                 assertSame(f, f.fork());
                 helpQuiesce();
+                while (!f.isDone()) // wait out race
+                    ;
                 assertEquals(21, f.number);
                 assertEquals(0, getQueuedTaskCount());
                 checkCompletedNormally(f);