Delete old tests that aren't used and/or useful any more.

utils/tests/testrunner/non_browser_tests/non_browser_test.dart

Index: utils/tests/testrunner/non_browser_tests/non_browser_test.dart
diff --git a/utils/tests/testrunner/non_browser_tests/non_browser_test.dart b/utils/tests/testrunner/non_browser_tests/non_browser_test.dart
deleted file mode 100755
index e32347a7fc014aae5a1208bf96bf2422f6f48af5..0000000000000000000000000000000000000000
--- a/utils/tests/testrunner/non_browser_tests/non_browser_test.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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 testrunner_test;
-
-import 'package:unittest/unittest.dart';
-
-foo(bool x) => x;
-
-main() {
-  group('group1', () {
-    test('test1', () {
-      expect(true, isFalse);
-    });
-  });
-  group('group2', () {
-    test('test2', () {
-      foo(3);
-      expect(true, isTrue);
-    });
-  });
-}