class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
class_docstr_tok: ["Most","tests","done","in","the","base","class","LinearOperatorDerivedClassTest","."]
code: def operator_shapes_infos():
      shape_info = linear_operator_test_util.OperatorShapesInfo
      return [
          shape_info((1, 1), factors=[(1, 1), (1, 1)]),
          shape_info((8, 8), factors=[(2, 2), (2, 2), (2, 2)]),
          shape_info((12, 12), factors=[(2, 2), (3, 3), (2, 2)]),
          shape_info((1, 3, 3), factors=[(1, 1), (1, 3, 3)]),
          shape_info(
              (3, 6, 6), factors=[(3, 1, 1), (1, 2, 2), (1, 3, 3)]
          ),
      ]
  
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 3 for calling the SquareLinearOperatorKroneckerTest obj's underlying member method code with example usage: obj.operator_shapes_infos() and returns: list