text: """Test for the ase_database.py module"""
  
  from fitlj.io import AtomicSimulationEnvironmentDataBase
  from fitlj.fit_model import FitModel
  
  
  def test_fit_lennard_jones_model():
      """test for get_energies function"""
  
      database = AtomicSimulationEnvironmentDataBase(database_filename='files/argon.db')
  
      database = database.connect_to_database()
      model = FitModel(database=database, lennard_jones_parameters=[0.01, 3.5])
      fit = model.fit_lennard_jones_model()
  
      reference_fit = [0.00592987, 3.73316583]
      assert all(abs(a-b) < 1e-4 for a, b in zip(fit, reference_fit))
  