code: def testDot(self):
      extra_operands = [
          ([1, 2], [[5, 6, 7], [8, 9, 10]]),
          (
              np.arange(2 * 3 * 5).reshape([2, 3, 5]).tolist(),
              np.arange(5 * 7 * 11).reshape([7, 5, 11]).tolist(),
          ),
      ]
      return self._testBinaryOp(
          np_math_ops.dot, np.dot, "dot", extra_operands=extra_operands
      )
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops.numpy_ops import np_array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the MathTest obj's underlying member method code with example usage: obj.testDot() and returns: self