pkg/unittest: test cleanup

pkg/unittest/test/unittest_invalid_ops_test.dart

-// Copyright (c) 2013, 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 unittestTest;
-import 'dart:isolate';
-import 'dart:async';
-import 'package:unittest/unittest.dart';
-
-part 'unittest_test_utils.dart';
-
-var testName = 'invalid ops throw while test is running';
-
-var testFunction = (_) {
-  test(testName, () {
-    expect(() => test('test', () {}), throwsStateError);
-    expect(() => solo_test('test', () {}), throwsStateError);
-    expect(() => group('test', () {}), throwsStateError);
-    expect(() => solo_group('test', () {}), throwsStateError);
-    expect(() => setUp(() {}), throwsStateError);
-    expect(() => tearDown(() {}), throwsStateError);
-    expect(() => runTests(), throwsStateError);
-  });
-};
-
-var expected = buildStatusString(1, 0, 0, testName);