bluetooth: Separate notification tests

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

Index: third_party/WebKit/LayoutTests/bluetooth/notifications/add-multiple-event-listeners.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/notifications/device-goes-out-of-range.html b/third_party/WebKit/LayoutTests/bluetooth/notifications/add-multiple-event-listeners.html
similarity index 55%
copy from third_party/WebKit/LayoutTests/bluetooth/notifications/device-goes-out-of-range.html
copy to third_party/WebKit/LayoutTests/bluetooth/notifications/add-multiple-event-listeners.html
index 1d5add9481b730d551aac048f1dc532cf6113511..6f8116e982326a784b37b80a831df0647b70e361 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/notifications/device-goes-out-of-range.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/notifications/add-multiple-event-listeners.html
@@ -5,6 +5,7 @@
 <script>
 'use strict';
 promise_test(() => {
+  let char;
   return setBluetoothFakeAdapter('HeartRateAdapter')
     .then(() => requestDeviceWithKeyDown({
       filters: [{services: ['heart_rate']}]}))
@@ -12,12 +13,13 @@ promise_test(() => {
     .then(gattServer => gattServer.getPrimaryService('heart_rate'))
     .then(service => service.getCharacteristic('heart_rate_measurement'))
     .then(characteristic => {
-      return setBluetoothFakeAdapter('EmptyAdapter')
-        .then(() => assert_promise_rejects_with_message(
-          characteristic.startNotifications(),
-          new DOMException(
-            'Bluetooth Device is no longer in range.', 'NetworkError'),
-          'Device went out of range.'));
-    });
-}, 'Device goes out of range. Reject with NetworkError.');
+      char = characteristic;
+      return assert_event_fires_after_promise(characteristic,
+                                              'startNotifications',
+                                              'characteristicvaluechanged',
+                                              3 /* add 3 listeners */);
+    })
+    .then(() => char.stopNotifications())
+    .then(() => assert_no_events(char, 'characteristicvaluechanged'));
+}, 'Add multiple event listeners then startNotifications().');
 </script>