Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/copies/gyptest-slash.py

 #!/usr/bin/env python
 
 # Copyright (c) 2011 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies file copies with a trailing slash in the destination directory.
 """
 
 import TestGyp
 
 test = TestGyp.TestGyp()
-test.run_gyp('copies-slash.gyp', chdir='src')
+test.run_gyp('copies-slash.gyp',
+             '-G', 'xcode_ninja_target_pattern=^copies',
+             chdir='src')
+
 test.relocate('src', 'relocate/src')
 test.build('copies-slash.gyp', chdir='relocate/src')
 
 test.built_file_must_match('copies-out-slash/directory/file3',
                            'file3 contents\n',
                            chdir='relocate/src')
 test.built_file_must_match('copies-out-slash/directory/file4',
                            'file4 contents\n',
                            chdir='relocate/src')
 test.built_file_must_match('copies-out-slash/directory/subdir/file5',
                            'file5 contents\n',
                            chdir='relocate/src')
 
 test.built_file_must_match('copies-out-slash-2/directory/file3',
                            'file3 contents\n',
                            chdir='relocate/src')
 test.built_file_must_match('copies-out-slash-2/directory/file4',
                            'file4 contents\n',
                            chdir='relocate/src')
 test.built_file_must_match('copies-out-slash-2/directory/subdir/file5',
                            'file5 contents\n',
                            chdir='relocate/src')
 
 test.pass_test()