Fixing ipv6-only job

Limit tests to the traffic_ops classes to avoid timeouts.
Running the traffic_ops tests ensures that the management network is
function and the load balancers are reachable with ipv4 and ipv6

Change-Id: I1dae6b829bb31f3f41cd7dec6dd9cccc4ef1adbf
Signed-off-by: Gregory Thiemonge <gthiemon@redhat.com>
1 file changed