code: def test_log_multivariate_gaussian_methods():
      np.random.seed(0)
      x = np.random.random(3)
      mu = np.random.random(3)
      V = positive_definite_matrix(3, M=10)
  
      res1 = log_multivariate_gaussian(x, mu, V, method=0)
      res2 = log_multivariate_gaussian(x, mu, V, method=1)
  
      assert_array_almost_equal(res1, res2)
  
file_path: astroML/astroML/utils/tests/test_utils.py
imports: import numpy
  from numpy.testing import assert_array_almost_equal, assert_allclose
  from astroML.utils import log_multivariate_gaussian, convert_2D_cov, completeness_contamination, split_samples
label_desc: Use image node_id 2 for calling a global function with example usage: test_log_multivariate_gaussian_methods() without return types