code: def test_select():
      knorau_test = KNORAU()
      competences = np.ones(3)
      competences[0] = 0
      expected = np.atleast_2d([False, True, True])
      selected = knorau_test.select(competences)
      assert np.array_equal(expected, selected)
  
file_path: DESlib/deslib/tests/des/test_knorau.py
imports: import numpy
  from sklearn.linear_model import Perceptron
  from sklearn.utils.estimator_checks import check_estimator
  from deslib.des.knora_u import KNORAU
label_desc: Use image node_id 5 for calling a global function with example usage: test_select() without return types