docstr: Flush manager state before each test method execution.
docstr_tok: ["Flush","manager","state","before","each","test","method","execution","."]
code: def setup_method(self):
      """Flush manager state before each test method execution."""
      MANAGER._tables = {}
      MANAGER._views = {}
  
file_path: perspective/python/perspective/perspective/tests/handlers/test_starlette_async_mode.py
imports: import pytest
  import random
  import threading
  import asyncio
  from datetime import datetime
  from fastapi import FastAPI, WebSocket
  from fastapi.testclient import TestClient
  from perspective import Table, PerspectiveManager, PerspectiveStarletteHandler, PerspectiveError
  from perspective.client.starlette_test import websocket
label_desc: Use image node_id 1 for calling the TestPerspectiveStarletteHandlerAsyncMode obj's underlying member method code with example usage: obj.setup_method() without return types