Make integration tests a bit cleaner.

utils/tests/pub/install/hosted/check_out_transitive_test.dart

Index: utils/tests/pub/install/hosted/check_out_transitive_test.dart
diff --git a/utils/tests/pub/install/hosted/check_out_transitive_test.dart b/utils/tests/pub/install/hosted/check_out_transitive_test.dart
index c449acd0d7884b0fb70556eab9eca9f1b826fe02..dd5f01b1679be4da11a4d9b1667dca43e70413c9 100644
--- a/utils/tests/pub/install/hosted/check_out_transitive_test.dart
+++ b/utils/tests/pub/install/hosted/check_out_transitive_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 packages transitively from a pub server', () {
+  integration('checks out packages transitively from a pub server', () {
     servePackages([
       package("foo", "1.2.3", [dependency("bar", "2.0.4")]),
       package("bar", "2.0.3"),
@@ -25,7 +24,5 @@ main() {
 
     cacheDir({"foo": "1.2.3", "bar": "2.0.4"}).scheduleValidate();
     packagesDir({"foo": "1.2.3", "bar": "2.0.4"}).scheduleValidate();
-
-    run();
   });
 }