media: VideoRendererImplTest: wait on buffering change to exit first step

media/renderers/video_renderer_impl_unittest.cc

Index: media/renderers/video_renderer_impl_unittest.cc
diff --git a/media/renderers/video_renderer_impl_unittest.cc b/media/renderers/video_renderer_impl_unittest.cc
index 7e228b1b0b3e57461b5f3afe39d9ffc5e2f56eb0..c1a029f236eb9d98a80a6886d2a8953005058b71 100644
--- a/media/renderers/video_renderer_impl_unittest.cc
+++ b/media/renderers/video_renderer_impl_unittest.cc
@@ -490,10 +490,9 @@ TEST_F(VideoRendererImplTest, Underflow) {
 
   {
     WaitableMessageLoopEvent event;
-    EXPECT_CALL(mock_cb_, Display(HasTimestamp(0)))
-        .Times(1)
+    EXPECT_CALL(mock_cb_, Display(HasTimestamp(0)));
+    EXPECT_CALL(mock_cb_, BufferingStateChange(BUFFERING_HAVE_ENOUGH))
         .WillOnce(RunClosure(event.GetClosure()));
-    EXPECT_CALL(mock_cb_, BufferingStateChange(BUFFERING_HAVE_ENOUGH));
     StartPlayingFrom(0);
     event.RunAndWait();
     Mock::VerifyAndClearExpectations(&mock_cb_);