Make integration tests a bit cleaner.

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

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library pub_tests;
 
 import 'dart:io';
 
 import '../../test_pub.dart';
-import '../../../../../pkg/unittest/lib/unittest.dart';
 
 main() {
-  test("unlocks dependencies if necessary to ensure that a new dependency "
-      "is satisfied", () {
+  integration("unlocks dependencies if necessary to ensure that a new "
+      "dependency is satisfied", () {
     servePackages([
       package("foo", "1.0.0", [dependency("bar", "<2.0.0")]),
       package("bar", "1.0.0", [dependency("baz", "<2.0.0")]),
       package("baz", "1.0.0", [dependency("qux", "<2.0.0")]),
       package("qux", "1.0.0")
     ]);
 
     appDir([dependency("foo")]).scheduleCreate();
 
     schedulePub(args: ['install'],
@@ skipping 19 matching lines @@
     schedulePub(args: ['install'],
         output: new RegExp(r"Dependencies installed!$"));
 
     packagesDir({
       "foo": "2.0.0",
       "bar": "2.0.0",
       "baz": "2.0.0",
       "qux": "1.0.0",
       "newdep": "2.0.0"
     }).scheduleValidate();
-
-    run();
   });
 }