Add final period to expected error strings

Author: migonzalvar

tests/test_authentication.py

@@ -220,7 +220,7 @@ def test_post_form_passing_jwt_invalid_payload(self):
         response = self.csrf_client.post(
             '/jwt/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
 
-        msg = 'Invalid payload'
+        msg = 'Invalid payload.'
 
         self.assertEqual(response.data['detail'], msg)
         self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)

tests/test_views.py

@@ -265,7 +265,7 @@ def test_refresh_jwt_after_refresh_expiration(self):
                                format='json')
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
         self.assertEqual(response.data['non_field_errors'][0],
-                         'Refresh has expired')
+                         'Refresh has expired.')
 
     def tearDown(self):
         # Restore original settings