diff --git a/tests/scene_server_test.py b/tests/scene_server_test.py
index 095c2aa..904e545 100644
--- a/tests/scene_server_test.py
+++ b/tests/scene_server_test.py
@@ -20,14 +20,15 @@ async def fetch(ac: AsyncClient, url):
 
     async def post(ac: AsyncClient, url, payload={}):
         response = await ac.post(url, json=payload)
-        if response.status_code != 200:
+        if response.status_code not in [200, 400]:
             response.raise_for_status()
+
         return response.json()
 
     async def spam_objects(ac: AsyncClient, count: int):
         tasks = []
         for i in range(count):
-            object = Object(id=i, tick=f"")
+            object = Object(id=i, tick=f"", )
             task = asyncio.create_task(TestSceneServer.post(
                 ac, "/add_object", {'serialized_object': object.serialize()}))
             tasks.append(task)