class_docstr: Base test for this type of operator.
code: def operator_shapes_infos():
      shape_info = linear_operator_test_util.OperatorShapesInfo
      # Previously we had a (2, 10, 10) shape at the end.  We did this to test the
      # inversion and determinant lemmas on not-tiny matrices, since these are
      # known to have stability issues.  This resulted in test timeouts, so this
      # shape has been removed, but rest assured, the tests did pass.
      return [
          shape_info((0, 0)),
          shape_info((1, 1)),
          shape_info((1, 3, 3)),
          shape_info((3, 4, 4)),
          shape_info((2, 1, 4, 4)),
      ]
  
imports: import numpy
  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 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 1 for calling the BaseLinearOperatorLowRankUpdatetest obj's underlying member method code with example usage: obj.operator_shapes_infos() and returns: list