future-account test: don't bother getting Supersedes value
future-account test: don't bother getting Supersedes value

We don't use it and we weren't freeing something properly before..

Signed-off-by: Jonny Lamb <3d1fb3642aaab2ff70e3392a5ab916bf99eed6a3@collabora.co.uk>

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib