Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/ninja/s-needs-no-depfiles/gyptest-s-needs-no-depfiles.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.
 
 """
 Verify that .s files don't always trigger a rebuild, as would happen if depfiles
 were used for them (since clang & gcc ignore -MMD when building .s->.o on
 linux).
 """
 
 import os
 import sys
 import TestCommon
 import TestGyp
 
 # NOTE(fischman): Each generator uses depfiles (or not) differently, so this is
 # a ninja-specific test.
 test = TestGyp.TestGyp(formats=['ninja'])
 
 if sys.platform == 'win32' or sys.platform == 'win64':
   # This test is about clang/gcc vs. depfiles; VS gets a pass.
   test.pass_test()
   sys.exit(0)
 
-test.run_gyp('s-needs-no-depfiles.gyp')
+test.run_gyp('s-needs-no-depfiles.gyp', '-G', 'xcode_ninja_target_pattern=^.*$')
 
 # Build the library, grab its timestamp, rebuild the library, ensure timestamp
 # hasn't changed.
 test.build('s-needs-no-depfiles.gyp', 'empty')
 empty_dll = test.built_file_path('empty', test.SHARED_LIB)
 test.built_file_must_exist(empty_dll)
 pre_stat = os.stat(test.built_file_path(empty_dll))
 test.sleep()
 test.build('s-needs-no-depfiles.gyp', 'empty')
 post_stat = os.stat(test.built_file_path(empty_dll))
 
 if pre_stat.st_mtime != post_stat.st_mtime:
   test.fail_test()
 else:
   test.pass_test()