import re


def get_expected(file_name):
    """
    Return the expected output for a given file.
    """
    expected = []
    with open(file_name) as fp:
        for line in fp:
            match = re.search(r"//.*OUT\((.*)\)", line)
            if match:
                expected.append(match.group(1))
    return "\n".join(expected)