docstr: Test behavior of invalid inputs.
docstr_tok: ["Test","behavior","of","invalid","inputs","."]
code: def test_invalid_method(self):
      """
      Test behavior of invalid inputs.
      """
      X = datasets.load_diabetes().data
      ic = QuicGraphicalLasso(method="unknownmethod")
      assert_raises(NotImplementedError, ic.fit, X)
  
file_path: skggm/inverse_covariance/tests/quic_graph_lasso_test.py
imports: import numpy
  import pytest
  from sklearn.utils._testing import assert_raises
  from sklearn.utils._testing import assert_allclose
  from sklearn import datasets
  from inverse_covariance import QuicGraphicalLasso, QuicGraphicalLassoCV, QuicGraphicalLassoEBIC, quic
label_desc: Use image node_id 5 for calling the TestQuicGraphicalLasso obj's underlying member method code with example usage: obj.test_invalid_method() without return types