code: def test_unknown_shapes():
      """Apply _check_interpolation_correctness() for a few sizes and check
      for tf.Dataset compatibility."""
      shapes_to_try = [[3, 4, 5, 6], [1, 2, 2, 1]]
      for shape in shapes_to_try:
          _check_interpolation_correctness(
              shape, "float32", "float32", True
          )
  
file_path: addons/tensorflow_addons/image/tests/dense_image_warp_test.py
imports: import pytest
  import math
  import numpy
  import tensorflow
  from tensorflow_addons.image import dense_image_warp
  from tensorflow_addons.image import interpolate_bilinear
label_desc: Use image node_id 13 for calling a global function with example usage: test_unknown_shapes() without return types