bluetooth: Check the order of event and promise resolution for readValue

third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html

Index: third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html b/third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html
index 3f1a9a6ea396f7611079cb8f0fdc38dc931cc41e..e95a09bd0f4808b22bcf0af32996ceb4a2e66100 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/characteristic/readValue/event-is-fired.html
@@ -12,19 +12,13 @@ promise_test(() => {
     .then(gattServer => gattServer.getPrimaryService('heart_rate'))
     .then(service => service.getCharacteristic('body_sensor_location'))
     .then(characteristic => {
-      return assert_event_fires_after_promise(characteristic,
-                                              'readValue',
-                                              'characteristicvaluechanged',
-                                              1 /* attach 1 listener */,
-                                              true /* ignore_event_promise_order */);
+      return assert_promise_resolves_after_event(characteristic,
+                                                 'readValue',
+                                                 'characteristicvaluechanged');
     }).then(results => {
       let read_value = results[0].buffer;
       let event_value = results[1].buffer;
-      // TODO(ortuno): The DataView used to resolve the promise
-      // should be the same DataView as the one saved in the
-      // characteristic.
-      // http://crbug.com/543347
-      // assert_equals(event.target.value, value);
+      assert_equals(event_value, read_value);
       assert_array_equals(event_value, read_value);
     });
 }, 'Reading a characteristic should fire an event.');