--- jsr166/src/test/tck/CompletableFutureTest.java	2016/09/21 18:25:04	1.177
+++ jsr166/src/test/tck/CompletableFutureTest.java	2016/09/21 19:02:50	1.178
@@ -4078,7 +4078,7 @@ public class CompletableFutureTest exten
         CompletableFuture<Integer> f = new CompletableFuture<>();
         CompletionStage minimal = f.minimalCompletionStage();
         CompletableFuture<Integer> g = minimal.toCompletableFuture();
-        g.complete(v1);
+        assertTrue(g.complete(v1));
         checkCompletedNormally(g, v1);
         checkIncomplete(f);
         checkIncomplete(minimal.toCompletableFuture());