Remove Gibber tests for things Wocky won't let us do anyway
Remove Gibber tests for things Wocky won't let us do anyway

- nodes with a NULL name
- nodes with a NULL or omitted namespace

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