code: def test_sluice_loss():
      """Test invoking SluiceLoss."""
      input1 = np.ones((3, 4)).astype(np.float32)
      input2 = np.ones((2, 2)).astype(np.float32)
      result = layers.SluiceLoss()([input1, input2])
      assert np.allclose(result, 40.0)
  
imports: import deepchem
  import numpy
  import pytest
  import os
label_desc: Use image node_id 21 for calling a global function with example usage: test_sluice_loss() without return types