ContactInfo: test empty 1st, last and nick fields are ignored
ContactInfo: test empty 1st, last and nick fields are ignored

freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut