def testNoAuthHeaders(self):
   """
   negative test for authentication guarded route.
   invoke get request without passing authentication headers
   resoponse is validated for appropriate headers and body
   """
   response = self.app.get("", status="*")
   assertions.assertInvalidAuthenticationResponse(self, response)
 def testInvalidAuthHeaders(self):
   """
   negative test for authentication guarded route.
   invoke get request with invalid authentication headers
   resoponse is validated for appropriate headers and body
   """
   invalidHeaders =  getInvalidHTTPHeaders()
   response = self.app.get("", status="*", headers=invalidHeaders)
   assertions.assertInvalidAuthenticationResponse(self, response)