Remove TestOn annotation from test files.

Author: ditman

lib/web_ui/test/engine/view_embedder/dimensions_provider/custom_element_dimensions_provider_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-@TestOn('browser')
-library;
-
 import 'dart:async';
 
 import 'package:test/bootstrap/browser.dart';

lib/web_ui/test/engine/view_embedder/dimensions_provider/dimensions_provider_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-@TestOn('browser')
-library;
-
 import 'package:test/bootstrap/browser.dart';
 import 'package:test/test.dart';
 import 'package:ui/src/engine.dart';

lib/web_ui/test/engine/view_embedder/dimensions_provider/full_page_dimensions_provider_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-@TestOn('browser')
-library;
-
 import 'dart:async';
 
 import 'package:test/bootstrap/browser.dart';

lib/web_ui/test/engine/view_embedder/display_dpr_stream_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-@TestOn('browser')
-library;
-
 import 'dart:async';
 
 import 'package:test/bootstrap/browser.dart';