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

third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html

Index: third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html b/third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html
index 6b2d2bc893d059cbc6fa1492005db0dadaadb0b4..e3157a35ed7858c5b2d7f10ace1d41357f2aa60a 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/characteristic/notifications/add-multiple-event-listeners.html
@@ -14,11 +14,10 @@ promise_test(() => {
     .then(service => service.getCharacteristic('heart_rate_measurement'))
     .then(characteristic => {
       char = characteristic;
-      return assert_event_fires_after_promise(characteristic,
-                                              'startNotifications',
-                                              'characteristicvaluechanged',
-                                              3 /* add 3 listeners */,
-                                              false /* ignore_event_promise_order */);
+      return assert_promise_resolves_before_event(characteristic,
+                                                  'startNotifications',
+                                                  'characteristicvaluechanged',
+                                                  3 /* add 3 listeners */);
     })
     .then(() => char.stopNotifications())
     .then(() => assert_no_events(char, 'characteristicvaluechanged'));