test-caps-tubes.py: Do not assume the contact handle is 2.
test-caps-tubes.py: Do not assume the contact handle is 2.

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