Update tests

tests/test_app.py

@@ -286,24 +286,22 @@ def test_app_run():
     async def set_running():
         running.set()
 
-    app_thread = threading.Thread(
-        target=app.run,
-        kwargs=dict(
-            host="127.0.0.1",
-            port=8000,
-            debug=True,
-            limit_max_requests=1,  # end after one request
-            callback_notify=set_running,
-            timeout_notify=1,  # set the running event every second
-        ),
-    )
+    def do_request():
+        if not running.wait(10.0):
+            raise TimeoutError("App hasn't started after 10s")
+
+        requests.get("http://127.0.0.1:8000")
 
-    app_thread.start()
-    if not running.wait(10.0):
-        raise TimeoutError("App hasn't started after 10s")
+    request_thread = threading.Thread(target=do_request)
+    request_thread.start()
 
-    requests.get("http://127.0.0.1:8000")
+    app.run(
+        host="127.0.0.1",
+        port=8000,
+        debug=True,
+        limit_max_requests=1,  # end after one request
+        callback_notify=set_running,
+        timeout_notify=1,  # set the running event every second
+    )
 
-    app_thread.join(10.0)
-    if app_thread.is_alive():
-        raise TimeoutError("App hasn't stoped after 10s")
+    request_thread.join()