code: def test_mle_validate():
      mod = mlemodel.MLEModel([], 1)
      mod._param_names = ["a", "b", "c"]
      msg = 'Invalid parameter name passed: "d"'
  
      with pytest.raises(ValueError, match=msg):
          with mod.fix_params({"d": 1}):
              pass
  
imports: import numpy
  import pytest
  from statsmodels import datasets
  from statsmodels.tsa.statespace import initialization, mlemodel, sarimax, structural, dynamic_factor, varmax
  from numpy.testing import assert_, assert_raises, assert_equal, assert_allclose
label_desc: Use image node_id 6 for calling a global function with example usage: test_mle_validate() without return types