bluetooth: Separate notification tests

third_party/WebKit/LayoutTests/bluetooth/notifications/stop-without-starting.html

Index: third_party/WebKit/LayoutTests/bluetooth/notifications/stop-without-starting.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found-with-uuid.html b/third_party/WebKit/LayoutTests/bluetooth/notifications/stop-without-starting.html
similarity index 61%
copy from third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found-with-uuid.html
copy to third_party/WebKit/LayoutTests/bluetooth/notifications/stop-without-starting.html
index 1f791a560992e7001c94ed8f5903df04aa762ea2..7cbb02923277a8249db0a1bc80b9830129cd2025 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found-with-uuid.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/notifications/stop-without-starting.html
@@ -5,15 +5,12 @@
 <script>
 'use strict';
 promise_test(() => {
-  let expected = new DOMException(
-    'No Characteristics with specified UUID found in Service.',
-    'NotFoundError');
   return setBluetoothFakeAdapter('HeartRateAdapter')
     .then(() => requestDeviceWithKeyDown({
       filters: [{services: ['heart_rate']}]}))
     .then(device => device.gatt.connect())
     .then(gattServer => gattServer.getPrimaryService('heart_rate'))
-    .then(service => assert_promise_rejects_with_message(
-      service.getCharacteristics('battery_level'), expected));
-}, 'Request for absent characteristics with UUID. Reject with NotFoundError.');
+    .then(service => service.getCharacteristic('heart_rate_measurement'))
+    .then(characteristic => characteristic.stopNotifications());
+}, "Stop without starting.");
 </script>