Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/mac/gyptest-ldflags-passed-to-libtool.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 OTHER_LDFLAGS is passed to libtool.
 """
 
 import TestGyp
 
 import sys
 
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'],
                          match = lambda a, b: True)
 
   build_error_code = {
     'xcode': [1, 65],  # 1 for xcode 3, 65 for xcode 4 (see `man sysexits`)
     'make': 2,
     'ninja': 1,
+    'xcode-ninja': [1, 65],
   }[test.format]
 
   CHDIR = 'ldflags-libtool'
   test.run_gyp('test.gyp', chdir=CHDIR)
 
   test.build('test.gyp', 'ldflags_passed_to_libtool', chdir=CHDIR,
              status=build_error_code)
 
   test.pass_test()