class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
code: def test_assert_positive_definite(self):
      matrix = [[1.0, 1.0], [1.0, 1.0]]
      operator = linalg.LinearOperatorFullMatrix(
          matrix, is_self_adjoint=True
      )
      with self.cached_session():
          with self.assertRaises(errors.InvalidArgumentError):
              operator.assert_positive_definite().run()
  
imports: import numpy
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the SquareLinearOperatorFullMatrixTest obj's underlying member method code with example usage: obj.test_assert_positive_definite() without return types