def test_find_index_of_overlap_no_match(self): fst_string = 'CCAGTAC' snd_string = '' assert find_index_of_overlap(fst_string, snd_string) is None
def test_find_index_of_overlap_one_char(self): fst_string = 'CCAGTAC' snd_string = 'C' assert find_index_of_overlap(fst_string, snd_string) == 6