Removed fixed dependencies

packages/analyzer/test/src/dart/test_all.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library analyzer.test.src.dart.test_all;
+
+import 'package:unittest/unittest.dart';
+
+import '../../utils.dart';
+import 'ast/test_all.dart' as ast;
+import 'constant/test_all.dart' as constant;
+import 'element/test_all.dart' as element;
+import 'sdk/test_all.dart' as sdk;
+
+/// Utility for manually running all tests.
+main() {
+  initializeTestEnvironment();
+  group('dart tests', () {
+    ast.main();
+    constant.main();
+    element.main();
+    sdk.main();
+  });
+}