Updated test to account for Flask API changes

Author: AidanDelaney

github_webhook/test_webhook.py

@@ -1,18 +1,14 @@
 """Tests for github_webhook.webhook"""
 
-from __future__ import print_function
 
 import unittest
-try:
-    from unittest.mock import Mock
-except ImportError:
-    from mock import Mock
+from unittest.mock import Mock
+
 
 from github_webhook.webhook import Webhook
 
 
 class TestWebhook(unittest.TestCase):
-
     def test_constructor(self):
         # GIVEN
         app = Mock()
@@ -22,7 +18,12 @@ def test_constructor(self):
 
         # THEN
         app.add_url_rule.assert_called_once_with(
-            '/postreceive', view_func=webhook._postreceive, methods=['POST'])
+            rule="/postreceive",
+            endpoint="/postreceive",
+            view_func=webhook._postreceive,
+            methods=["POST"],
+        )
+
 
 # -----------------------------------------------------------------------------
 # Copyright 2015 Bloomberg Finance L.P.