Trying to fix localhost e2e test

Author: chillaq

tests/integration/test_client_e2e.py

@@ -1109,6 +1109,8 @@ def _update_temp_file(self, json_body):
         f = open(os.path.join(os.path.dirname(__file__), 'files','split_changes_temp.json'), 'w')
         f.write(json.dumps(json_body))
         f.close()
+        # adding delay to avoid failing to load the file
+        time.sleep(1)
 
     def _synchronize_now(self):
         filename = os.path.join(os.path.dirname(__file__), 'files', 'split_changes_temp.json')