QA: Retrieve only the RAPI certificate
QA: Retrieve only the RAPI certificate

The QA previously took in the entire certificate file, along with the
private key. As this is really not necessary, change it to be more
conservative.

Signed-off-by: Hrvoje Ribicic <be5828fca31f89218048bec4189e30a581aa65da@google.com>
Reviewed-by: Lisa Velden <f95ae155456787aef400a49db463a62bbef84ead@google.com>

yiannist/ganeti,yiannist/ganeti,ganeti/ganeti,andir/ganeti,yiannist/ganeti,andir/ganeti,ganeti/ganeti,onponomarev/ganeti,mbakke/ganeti,mbakke/ganeti,andir/ganeti,ganeti/ganeti,leshchevds/ganeti,onponomarev/ganeti,mbakke/ganeti,leshchevds/ganeti,leshchevds/ganeti