def METHOD_NAME(self):
    qmgr = self.qfwupd.QubesFwupdmgr()
    qmgr.metadata_file = CUSTOM_METADATA.replace(
        "https://fwupd.org/downloads", self.qfwupd.FWUPD_DOM0_METADATA_DIR
    )
    qmgr._download_metadata(metadata_url=CUSTOM_METADATA)
    self.q._parse_metadata(qmgr.metadata_file)
    self.assertTrue(self.q.metadata_info)