code: def test_basic_command(self, r):
      r.set("hello", "world")
  
imports: import pytest
  import redis
  from redis.connection import Connection
  from redis.utils import HIREDIS_PACK_AVAILABLE
  from .conftest import _get_client
label_desc: Use image node_id 2 for calling the TestCommandsAreNotEncoded obj's underlying member method code with example usage: obj.test_basic_command(r) without return types