Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/unittest/test/group_name_test.dart

Index: mojo/public/dart/third_party/unittest/test/group_name_test.dart
diff --git a/mojo/public/dart/third_party/unittest/test/group_name_test.dart b/mojo/public/dart/third_party/unittest/test/group_name_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..3184ffc3f8e954ce4c817bdcb5970f8c2a7878d2
--- /dev/null
+++ b/mojo/public/dart/third_party/unittest/test/group_name_test.dart
@@ -0,0 +1,24 @@
+// 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 unittest.group_name_test;
+
+import 'package:unittest/unittest.dart';
+
+import 'package:metatest/metatest.dart';
+
+void main() => initTests(_test);
+
+void _test(message) {
+  initMetatest(message);
+
+  expectTestResults('group name test', () {
+    group('a', () {
+      test('a', () {});
+      group('b', () {
+        test('b', () {});
+      });
+    });
+  }, [{'description': 'a a'}, {'description': 'a b b'}]);
+}