Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/mac/gyptest-global-settings.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 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 that the global xcode_settings processing doesn't throw.
 Regression test for http://crbug.com/109163
 """
 
 import TestGyp
 
 import sys
 
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
+
+  # The xcode-ninja generator handles gypfiles which are not at the
+  # project root incorrectly.
+  # cf. https://code.google.com/p/gyp/issues/detail?id=460
+  if test.format == 'xcode-ninja':
+    test.skip_test()
+
   test.run_gyp('src/dir2/dir2.gyp', chdir='global-settings', depth='src')
   # run_gyp shouldn't throw.
 
   # Check that BUILT_PRODUCTS_DIR was set correctly, too.
   test.build('dir2/dir2.gyp', 'dir2_target', chdir='global-settings/src',
              SYMROOT='../build')
   test.built_file_must_exist('file.txt', chdir='global-settings/src')
 
   test.pass_test()