class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
code: def test_base_operator_hint_used(self):
      # The matrix values do not effect auto-setting of the flags.
      matrix = [[1.0, 0.0], [1.0, 1.0]]
      operator = linalg.LinearOperatorFullMatrix(
          matrix,
          is_positive_definite=True,
          is_non_singular=True,
          is_self_adjoint=False,
      )
      operator_inv = LinearOperatorInversion(operator)
      self.assertTrue(operator_inv.is_positive_definite)
      self.assertTrue(operator_inv.is_non_singular)
      self.assertFalse(operator_inv.is_self_adjoint)
  
imports: from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  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_inversion
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the LinearOperatorInversionTest obj's underlying member method code with example usage: obj.test_base_operator_hint_used() without return types