message: Updated the species tests.
diff: @@ -204,31 +204,22 @@ class SpeciesTests(unittest.TestCase):
  # As atomic number in contructor
  d = ACSF(rcut=6.0, species=[5, 1])
  self.assertEqual(d.species, [5, 1]) # Saves the original variable
  - self.assertEqual(d._atomic_numbers, [1, 5]) # Ordered here
  + self.assertTrue(np.array_equal(d._atomic_numbers, [1, 5])) # Ordered here
  # Set through property
  d.species = [10, 2]
  self.assertEqual(d.species, [10, 2])
  - self.assertEqual(d._atomic_numbers, [2, 10])
  + self.assertTrue(np.array_equal(d._atomic_numbers, [2, 10])) # Ordered here
  # As chemical symbol in the contructor
  d = ACSF(rcut=6.0, species=["O", "H"])
  self.assertEqual(d.species, ["O", "H"]) # Saves the original variable
  - self.assertEqual(d._atomic_numbers, [1, 8]) # Ordered here
  + self.assertTrue(np.array_equal(d._atomic_numbers, [1, 8])) # Ordered here
  # Set through property
  d.species = ["N", "Pb"]
  self.assertEqual(d.species, ["N", "Pb"])
  - self.assertEqual(d._atomic_numbers, [7, 82])
  -
  - def test_atomic_number(self):
  - """Tests that using the deprecated atomic_numbers-parameters still
  - works.
  - """
  - # As atomic number in contructor
  - d = ACSF(rcut=6.0, atomic_numbers=[5, 1])
  - self.assertEqual(d.species, [5, 1]) # Saves the original variable
  - self.assertEqual(d._atomic_numbers, [1, 5]) # Ordered here
  + self.assertTrue(np.array_equal(d._atomic_numbers, [7, 82]))
  def test_symbols_to_atomic_number(self):
  """Tests that chemical symbols are correctly transformed into atomic
  