Fix test leaks introduced in commit 2941020a.

(and small extra space removed)

Spotted by ASAN.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170526110456.32004-1-marcandre.lureau@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>