class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
class_docstr_tok: ["Most","tests","done","in","the","base","class","LinearOperatorDerivedClassTest","."]
code: def test_kronecker_cholesky_type(self):
      matrix = [[1.0, 0.0], [0.0, 1.0]]
      operator = kronecker.LinearOperatorKronecker(
          [
              linalg.LinearOperatorFullMatrix(
                  matrix,
                  is_positive_definite=True,
                  is_self_adjoint=True,
              ),
              linalg.LinearOperatorFullMatrix(
                  matrix,
                  is_positive_definite=True,
                  is_self_adjoint=True,
              ),
          ],
          is_positive_definite=True,
          is_self_adjoint=True,
      )
      cholesky_factor = operator.cholesky()
      self.assertIsInstance(
          cholesky_factor, kronecker.LinearOperatorKronecker
      )
      self.assertEqual(2, len(cholesky_factor.operators))
      self.assertIsInstance(
          cholesky_factor.operators[0],
          lower_triangular.LinearOperatorLowerTriangular,
      )
      self.assertIsInstance(
          cholesky_factor.operators[1],
          lower_triangular.LinearOperatorLowerTriangular,
      )
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_kronecker
  from tensorflow.python.ops.linalg import linear_operator_lower_triangular
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.ops.linalg import linear_operator_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 11 for calling the SquareLinearOperatorKroneckerTest obj's underlying member method code with example usage: obj.test_kronecker_cholesky_type() without return types