code: def generate_random_test_voxels_render():
      """Generates random test for the voxels rendering functions."""
      batch_shape = np.random.randint(1, 3)
      voxels_shape = np.random.randint(2, 8, size=(3)).tolist()
      signals_dimension = np.random.randint(2, 4)
  
      random_voxels = np.random.uniform(
          size=[batch_shape] + voxels_shape + [signals_dimension]
      )
      return random_voxels
  
imports: import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: generate_random_test_voxels_render() and returns: random_voxels