Make integration tests a bit cleaner.

utils/tests/pub/update/git/update_locked_test.dart

Index: utils/tests/pub/update/git/update_locked_test.dart
diff --git a/utils/tests/pub/update/git/update_locked_test.dart b/utils/tests/pub/update/git/update_locked_test.dart
index 0d230880243791668a3365b2ebb51b391768a4c6..1fd9718c5e50ebedf806fb351436537f2eac6923 100644
--- a/utils/tests/pub/update/git/update_locked_test.dart
+++ b/utils/tests/pub/update/git/update_locked_test.dart
@@ -7,10 +7,9 @@ library pub_tests;
 import 'dart:io';
 
 import '../../test_pub.dart';
-import '../../../../../pkg/unittest/lib/unittest.dart';
 
 main() {
-  test("updates locked Git packages", () {
+  integration("updates locked Git packages", () {
     ensureGit();
 
     git('foo.git', [
@@ -58,7 +57,5 @@ main() {
         file('bar.dart', 'main() => "bar 2";')
       ])
     ]).scheduleValidate();
-
-    run();
   });
 }