code: def test_predict():
      X, y, knne = setup_test(n_neighbors=6)
      prediction = knne.predict(X)
      assert np.equal(prediction, y).all()
  
file_path: DESlib/deslib/tests/util/test_knne.py
imports: import pytest
  import numpy
  from deslib.util import faiss_knn_wrapper
  from deslib.util import KNNE
label_desc: Use image node_id 4 for calling a global function with example usage: test_predict() without return types