Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/ios/gyptest-deployment-target.py

Index: test/ios/gyptest-deployment-target.py
diff --git a/test/ios/gyptest-deployment-target.py b/test/ios/gyptest-deployment-target.py
index 6c09d9dc0409f46c2ebfe047e0ffd39deb19d915..434790d3e6d76adb20d11646bc9b63810f2dff9e 100644
--- a/test/ios/gyptest-deployment-target.py
+++ b/test/ios/gyptest-deployment-target.py
@@ -15,7 +15,9 @@ import sys
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['make', 'ninja', 'xcode'])
 
-  test.run_gyp('deployment-target.gyp', chdir='deployment-target')
+  test.run_gyp('deployment-target.gyp',
+               '-G', 'xcode_ninja_target_pattern=^.*$',
+               chdir='deployment-target')
 
   test.build('deployment-target.gyp', test.ALL, chdir='deployment-target')