Make integration tests a bit cleaner.

utils/tests/pub/install/git/require_pubspec_test.dart

Index: utils/tests/pub/install/git/require_pubspec_test.dart
diff --git a/utils/tests/pub/install/git/require_pubspec_test.dart b/utils/tests/pub/install/git/require_pubspec_test.dart
index 917a1f5fabc8a8982f85ee580b2b6928ba982ccd..ffc0b60abc234c6935ba9ab4ad27c4a828ce9685 100644
--- a/utils/tests/pub/install/git/require_pubspec_test.dart
+++ b/utils/tests/pub/install/git/require_pubspec_test.dart
@@ -7,10 +7,9 @@ library pub_tests;
 import 'dart:io';
 
 import '../../test_pub.dart';
-import '../../../../../pkg/unittest/lib/unittest.dart';
 
 main() {
-  test('requires the dependency to have a pubspec', () {
+  integration('requires the dependency to have a pubspec', () {
     ensureGit();
 
     git('foo.git', [
@@ -25,7 +24,5 @@ main() {
         error: new RegExp('^Package "foo" doesn\'t have a '
             'pubspec.yaml file.'),
         exitCode: 1);
-
-    run();
   });
 }