Removed fixed dependencies

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

+// Copyright (c) 2016, 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.task.strong.test_all;
+
+import 'package:unittest/unittest.dart';
+
+import '../../../utils.dart';
+import 'checker_test.dart' as checker_test;
+import 'inferred_type_test.dart' as inferred_type_test;
+
+/// Utility for manually running all tests.
+main() {
+  initializeTestEnvironment();
+  group('strong tests', () {
+    checker_test.main();
+    inferred_type_test.main();
+  });
+}