code: def test_sparse_set_union_3d(self):
      for dtype in _DTYPES:
          self._test_sparse_set_union_3d(dtype)
  
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 errors_impl
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_set_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import sets
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 42 for calling the SetOpsTest obj's underlying member method code with example usage: obj.test_sparse_set_union_3d() without return types