clearing middlewares for each test

tests/conftest.py

@@ -39,6 +39,7 @@ def selenium(selenium: webdriver.Chrome) -> webdriver.Chrome:
 def reset_globals() -> Generator[None, None, None]:
     for path in {'/'}.union(globals.page_routes.values()):
         globals.app.remove_route(path)
+    globals.app.middleware_stack = None
     importlib.reload(globals)
     globals.index_client = Client(page('/'), shared=True).__enter__()
     globals.app.get('/')(globals.index_client.build_response)