code: def test_getters_setters(tuner, attr):
      val = getattr(tuner, attr)
      setattr(tuner, attr, val)
      assert getattr(tuner, attr) is val
  
imports: import pytest
  import matchzoo
label_desc: Use image node_id 2 for calling a global function with example usage: test_getters_setters(tuner, attr) without return types