fix: add test for #176

tests/shared/test_sse.py

@@ -164,6 +164,7 @@ async def http_client(server, server_url) -> AsyncGenerator[httpx.AsyncClient, N
 async def test_raw_sse_connection(http_client: httpx.AsyncClient) -> None:
     """Test the SSE connection establishment simply with an HTTP client."""
     async with anyio.create_task_group():
+
         async def connection_test() -> None:
             async with http_client.stream("GET", "/sse") as response:
                 assert response.status_code == 200
@@ -211,7 +212,6 @@ async def initialized_sse_client_session(
             yield session
 
 
-
 @pytest.mark.anyio
 async def test_sse_client_happy_request_and_response(
     initialized_sse_client_session: ClientSession,