def test_passing_none_value_wrapper(self):
		@self.app.route('/')
		@self.sh.wrapper({'CSP':None,'X-XSS-Protection':None})
		def index(): return "hi"
		with self.app.test_client() as c:
			result = c.get('/')
			self.assertEquals(result.headers.get('X-Permitted-Cross-Domain-Policies'),'none')
			self.assertEquals(result.headers.get('CSP'),None)
			self.assertEquals(result.headers.get('X-XSS-Protection'),None)
test removing policy from wrapper
dataset/ETHPy150Open twaldear/flask-secure-headers/flask_secure_headers/tests/core_test.py/TestAppUseCase.test_passing_none_value_wrapper