test-account.py: create account asynchronously and assert that AccountValidityChanged is emitted
test-account.py: create account asynchronously and assert that AccountValidityChanged is emitted

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control