Make integration tests a bit cleaner.

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

Index: utils/tests/pub/install/git/check_out_twice_test.dart
diff --git a/utils/tests/pub/install/git/check_out_twice_test.dart b/utils/tests/pub/install/git/check_out_twice_test.dart
index ea07651abfcf3610a64c1cce986f2aa02dfe88d4..8195a2547890234f0282e3134aeabf36dae4bd4f 100644
--- a/utils/tests/pub/install/git/check_out_twice_test.dart
+++ b/utils/tests/pub/install/git/check_out_twice_test.dart
@@ -7,10 +7,9 @@ library pub_tests;
 import 'dart:io';
 
 import '../../test_pub.dart';
-import '../../../../../pkg/unittest/lib/unittest.dart';
 
 main() {
-  test('checks out a package from Git twice', () {
+  integration('checks out a package from Git twice', () {
     ensureGit();
 
     git('foo.git', [
@@ -43,7 +42,5 @@ main() {
     // in the cache.
     schedulePub(args: ['install'],
         output: new RegExp(r"Dependencies installed!$"));
-
-    run();
   });
 }