Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/mac/gyptest-archs.py

Index: test/mac/gyptest-archs.py
diff --git a/test/mac/gyptest-archs.py b/test/mac/gyptest-archs.py
index ff632d79508bc76eebeba9473fcdf72f01a5c146..4861dbc5b6b38743aac3a2ea8881be5e107bfdbf 100644
--- a/test/mac/gyptest-archs.py
+++ b/test/mac/gyptest-archs.py
@@ -50,7 +50,10 @@ if sys.platform == 'darwin':
         'exe_32_64', 'exe_32_64_bundle', 'precompiled_prefix_header_mm_32_64',
     ]
 
-    test.run_gyp('test-archs-multiarch.gyp', chdir='archs')
+    test.run_gyp('test-archs-multiarch.gyp',
+                 '-G', 'xcode_ninja_target_pattern=^.*$',
+                 chdir='archs')
+
     for target in targets:
       test.build('test-archs-multiarch.gyp', target=target, chdir='archs')