code: def testSmallCrop1x1(self):
      block_size = 2
      crop_beg = 1
      crop_end = 1
      self._compare(1, 2, 3, 5, block_size, crop_beg, crop_end)
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import constant_op
  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 gen_array_ops
  from tensorflow.python.ops import gradient_checker
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the BatchToSpaceGradientTest obj's underlying member method code with example usage: obj.testSmallCrop1x1() without return types