def METHOD_NAME(self):
    """
    Test that the BACs can be assigned.
    It's possible these values are refit in the future so a loose tolerance
    is used to just test that the values can be queried.
    """
    bonds = {"H-H": 1}
    # https://github.com/ReactionMechanismGenerator/RMG-database/blob/main/input/reference_sets/main/Dihydrogen.yml#L153
    CCCBDB_coords = np.array(
        [
            [0, 0, 0],
            [0, 0, 0.7414],
        ]
    )
    nums = (1, 1)
    # test Petersson BACs
    bac_type = "p"
    bac = get_bac(
        level_of_theory=self.freq_lot,
        bonds=bonds,
        coords=CCCBDB_coords,
        nums=nums,
        bac_type=bac_type,
    )
    # test value is obtained by BAC(self.freq_lot, bac_type=bac_type).get_correction(bonds=bonds, coords=CCCBDB_coords, nums=nums).value_si
    test_value = 700
    assert abs(bac - test_value) < 100
    # test Melius BACs
    bac_type = "m"
    bac = get_bac(
        level_of_theory=self.freq_lot,
        bonds=bonds,
        coords=CCCBDB_coords,
        nums=nums,
        bac_type=bac_type,
    )
    # test value is obtained by BAC(self.freq_lot, bac_type=bac_type).get_correction(bonds=bonds, coords=CCCBDB_coords, nums=nums).value_si
    test_value = 949
    assert abs(bac - test_value) < 100