Functionality added to download all on activity page. All tests passing.

tests/__init__.py

@@ -149,6 +149,8 @@ def notification_json(service_id,
             'status': status,
             'created_at': created_at
         } for i in range(5)],
+        'total': 5,
+        'page_size': 50,
         'links': links
     }
     return data

tests/conftest.py

@@ -674,6 +674,7 @@ def mock_get_notifications(mocker):
     def _get_notifications(service_id,
                            job_id=None,
                            page=1,
+                           page_size=50,
                            template_type=None,
                            status=None):
         return notification_json(service_id)