code: def test_multihot_unknown():
      X = [["text", "more text", "this"], ["more text"], ["new text"]]
      enc = preprocessing.MultihotEncoder()
      enc.fit(X)
      X_t = enc.transform(
          [["unseen", "this"], ["more text"], ["unknown"]]
      )
      assert X_t.shape == (3, 4)
  
file_path: sk-dist/skdist/tests/test_preprocessing.py
label_desc: Use image node_id 14 for calling a global function with example usage: test_multihot_unknown() without return types