Revert "test-tube.py: disable test for now as 1-1 stream tubes have been disabled"
Revert "test-tube.py: disable test for now as 1-1 stream tubes have been disabled"

This reverts commit e7a51d8bf5a6b895e205665887c638b0c50678fe.

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