bluetooth: Layout tests for bluetooth error messages

LayoutTests/bluetooth/getPrimaryService.html

Index: LayoutTests/bluetooth/getPrimaryService.html
diff --git a/LayoutTests/bluetooth/getPrimaryService.html b/LayoutTests/bluetooth/getPrimaryService.html
index aa7b3d821830dbd20ef4aa44038587c4d8f26aaf..49c7bce2f8344116d2abeb2664537f256e64fe03 100644
--- a/LayoutTests/bluetooth/getPrimaryService.html
+++ b/LayoutTests/bluetooth/getPrimaryService.html
@@ -19,6 +19,7 @@ sequential_promise_test(function() {
       assert_unreached('Should return error if device not in adapter.');
     }, function(e) {
       assert_equals(e.name, "NetworkError");
+      assert_equals(e.message, 'Bluetooth Device is no longer in range.');
     });
   });
 }, 'Device goes out of range. Reject with NetworkError.');