code: def test_select():
      knop_test = KNOP()
      competences = np.ones(3)
      competences[0] = 0
      expected = np.atleast_2d([False, True, True])
      selected = knop_test.select(competences)
      assert np.array_equal(expected, selected)
  
file_path: DESlib/deslib/tests/des/test_knop.py
imports: from unittest.mock import Mock
  import numpy
  import pytest
  from sklearn.linear_model import Perceptron
  from sklearn.utils.estimator_checks import check_estimator
  from deslib.des.knop import KNOP
label_desc: Use image node_id 6 for calling a global function with example usage: test_select() without return types