code: def testDepthInterleavedDepth3(self):
      x_np = [[[[1, 2, 3], [4, 5, 6]], [[7, 8, 9], [10, 11, 12]]]]
      block_size = 2
      x_out = [[[[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]]]]
      self._testOne(x_np, block_size, x_out)
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  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_v2
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 6 for calling the SpaceToDepthTest obj's underlying member method code with example usage: obj.testDepthInterleavedDepth3() without return types