def from_helioviewer_project(meta):
    """
    Test determining if the given metadata contains Helioviewer Project sourced data.

    Parameters
    ----------
    meta : `~astropy.utils.metadata.MetaData`
        The metadata to parse.

    Returns
    -------
    If the data of the map comes from the Helioviewer Project, then True is
    returned. If not, False is returned.
    """
    return 'helioviewer' in meta.keys()