Add path prefix to test

tests/client/test_sse.py

@@ -96,7 +96,7 @@ async def test_http_headers(sse_server: str):
 
 def run_nested_server(host: str, port: int) -> None:
     try:
-        app = fastmcp_server().http_app(transport="sse")
+        app = fastmcp_server().sse_app(path="/mcp/sse", message_path="/mcp/messages")
         mount = Starlette(routes=[Mount("/nest-inner", app=app)])
         mount2 = Starlette(routes=[Mount("/nest-outer", app=mount)])
         server = uvicorn.Server(
@@ -122,7 +122,7 @@ async def test_nested_sse_server_resolves_correctly():
 
     with run_server_in_process(run_nested_server) as url:
         async with Client(
-            transport=SSETransport(f"{url}/nest-outer/nest-inner/sse")
+            transport=SSETransport(f"{url}/nest-outer/nest-inner/mcp/sse")
         ) as client:
             result = await client.ping()
             assert result is True