Make integration tests a bit cleaner.

utils/tests/pub/install/sdk/check_out_test.dart

Index: utils/tests/pub/install/sdk/check_out_test.dart
diff --git a/utils/tests/pub/install/sdk/check_out_test.dart b/utils/tests/pub/install/sdk/check_out_test.dart
index c99658d05d4ac8a6b8189fbcc6878aedfc276b53..0b658ac701fc3dab019b95f98f732581b2c9fe06 100644
--- a/utils/tests/pub/install/sdk/check_out_test.dart
+++ b/utils/tests/pub/install/sdk/check_out_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 the SDK', () {
+  integration('checks out a package from the SDK', () {
     dir(sdkPath, [
       file('revision', '1234'),
       dir('pkg', [
@@ -29,7 +28,5 @@ main() {
         output: new RegExp(r"Dependencies installed!$"));
 
     packagesDir({"foo": "0.0.1234"}).scheduleValidate();
-
-    run();
   });
 }