code: def test_fixed_composite_masker_call():
      """Test to make sure the FixedComposite masker works when masking everything."""
  
      AutoTokenizer = pytest.importorskip("transformers").AutoTokenizer
  
      args = ("This is a test statement for fixed composite masker",)
  
      tokenizer = AutoTokenizer.from_pretrained("gpt2")
      masker = shap.maskers.Text(tokenizer)
      mask = np.zeros(masker.shape(*args)[1], dtype=bool)
  
      fixed_composite_masker = shap.maskers.FixedComposite(masker)
  
      expected_fixed_composite_masked_output = (
          np.array([""]),
          np.array(
              ["This is a test statement for fixed composite masker"]
          ),
      )
      fixed_composite_masked_output = fixed_composite_masker(
          mask, *args
      )
  
      assert (
          fixed_composite_masked_output
          == expected_fixed_composite_masked_output
      )
  
imports: import tempfile
  import numpy
  import pytest
  import shap
label_desc: Use image node_id 1 for calling a global function with example usage: test_fixed_composite_masker_call() without return types