class_docstr: Test cases for binary operators.
code: def testCross(self):
      for dtype in self.float_types:
          self._testBinary(
              gen_math_ops.cross,
              np.zeros((4, 3), dtype=dtype),
              np.zeros((4, 3), dtype=dtype),
              expected=np.zeros((4, 3), dtype=dtype),
          )
          self._testBinary(
              gen_math_ops.cross,
              np.array([1, 2, 3], dtype=dtype),
              np.array([4, 5, 6], dtype=dtype),
              expected=np.array([-3, 6, -3], dtype=dtype),
          )
          self._testBinary(
              gen_math_ops.cross,
              np.array([[1, 2, 3], [10, 11, 12]], dtype=dtype),
              np.array([[4, 5, 6], [40, 50, 60]], dtype=dtype),
              expected=np.array(
                  [[-3, 6, -3], [60, -120, 60]], dtype=dtype
              ),
          )
  
imports: import itertools
  import numpy
  from tensorflow.compiler.tests import xla_test
  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 bitwise_ops
  from tensorflow.python.ops import gen_array_ops
  from tensorflow.python.ops import gen_math_ops
  from tensorflow.python.ops import gen_nn_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import googletest
  from tensorflow.python.platform import test
label_desc: Use image node_id 41 for calling the BinaryOpsTest obj's underlying member method code with example usage: obj.testCross() without return types