Screencast are not always enable and a recent change broke the ffmpeg
call. This call was already broken in some ffmpeg versions.
This test will help to ensure this feature continues to work, and will
also test it in different ffmpeg versions during distro builds.
closesodoo/odoo#156738
X-original-commit: a3d6ef64e218683f7455f60d20860b62780be3b9
Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>
Signed-off-by: Xavier Dollé (xdo) <xdo@odoo.com>