Move pkg/path to pkg/pathos.

utils/tests/pub/install/path/relative_path_test.dart

 // Copyright (c) 2013, 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.
 
-import '../../../../../pkg/path/lib/path.dart' as path;
+import '../../../../../pkg/pathos/lib/path.dart' as path;
 
 import '../../../../pub/exit_codes.dart' as exit_codes;
 import '../../test_pub.dart';
 
 main() {
   initConfig();
   integration("can use relative path", () {
     dir("foo", [
       libDir("foo"),
       libPubspec("foo", "0.0.1")
@@ skipping 47 matching lines @@
     dir(packagesPath, [
       dir("foo", [
         file("foo.dart", 'main() => "foo";')
       ]),
       dir("bar", [
         file("bar.dart", 'main() => "bar";')
       ])
     ]).scheduleValidate();
   });
 }