travis: Add temporary debug curl requests
travis: Add temporary debug curl requests

because travis fails with "skipped due to bad body" and locally on
my Mac it works ... it works on my machine ...

corestoreio/caddy-esi,SchumacherFM/caddyesi,corestoreio/caddy-esi,SchumacherFM/caddyesi,SchumacherFM/caddyesi,corestoreio/caddy-esi