          auth = self._create_authorization_header(token=read_only_access_token.token)
          params = self._client_credentials_params()
          response = self.csrf_client.get('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
          self.assertEqual(response.status_code, 200)
          response = self.csrf_client.post('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
          self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
  
      @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
      def test_post_form_with_valid_scope_passing_auth(self):
          """Ensure POSTing with a write scope succeed"""
 
</s> remove         params = self._client_credentials_params()
        response = self.csrf_client.get('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
 </s> add         response = self.csrf_client.get('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth) </s> remove         params = self._client_credentials_params()
        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
 </s> add         response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth) </s> remove         params = self._client_credentials_params()
        response = self.csrf_client.post('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
 </s> add         response = self.csrf_client.post('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth) </s> remove         params = self._client_credentials_params()
        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
 </s> add         response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth)
        response = self.csrf_client.post('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth)
          auth = self._create_authorization_header(token=read_only_access_token.token)
          params = self._client_credentials_params()
          response = self.csrf_client.get('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
          self.assertEqual(response.status_code, 200)
        response = self.csrf_client.post('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth)
          self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
  
      @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
      def test_post_form_with_valid_scope_passing_auth(self):
          """Ensure POSTing with a write scope succeed"""
keep keep keep keep replace keep keep keep keep keep
 Remove client credentials from all OAuth 2 tests 
rest_framework/tests/authentication.py