def _split_atoms(self, construction):
        if self.atom_separator is None:
            return construction
        else:
            return tuple(self._atom_sep_re.split(construction))
Test that the `compare` merges data as expected.
dataset/ETHPy150Open aalto-speech/morfessor/morfessor/io.py/MorfessorIO._split_atoms--crossover with--dataset/ETHPy150Open mozilla/addons-server/src/olympia/devhub/tests/test_utils.py/TestValidationComparator.test_compare_data