Skip pgpass tests if not running under Travis
Skip pgpass tests if not running under Travis

These don't work without making too many assumption about what the
user's pg_hba.conf looks like.

jnewmano/pq,VividCortex/pq,ympons/pq,lib/pq,ympons/pq,bugreplaydev/pq,bugreplaydev/pq,jnewmano/pq