QA: Run cluster-verify after instance tests
QA: Run cluster-verify after instance tests

We want to make sure that instance operations don't leave the cluster in a
bad state. The "instance-remove-drbd-offline" test leaves some debris
behind, so it's been moved to the last position.

Signed-off-by: Bernardo Dal Seno <dcdd79c5479cb9d1329ec01d126f02cb045aa103@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

dimara/ganeti,apyrgio/ganeti,mbakke/ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1,ganeti/ganeti,andir/ganeti,andir/ganeti,ganeti/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,apyrgio/snf-ganeti,yiannist/ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,mbakke/ganeti,onponomarev/ganeti,onponomarev/ganeti,apyrgio/ganeti,andir/ganeti,dimara/ganeti,yiannist/ganeti,grnet/snf-ganeti,grnet/snf-ganeti,mbakke/ganeti,leshchevds/ganeti,leshchevds/ganeti,leshchevds/ganeti