feat(tests): Show all etcd keys on error

This should help debugging all those `ERROR Config check failed: exit status 1` errors.

Author: johanneswuerbach

tests/bin/test-setup.sh

@@ -98,6 +98,7 @@ function dump_logs {
   export FLEETCTL_TUNNEL=$DEISCTL_TUNNEL
   set -x
   fleetctl -strict-host-key-checking=false list-units
+  fleetctl -strict-host-key-checking=false ssh deis-controller@1 etcdctl ls / --recursive
   fleetctl -strict-host-key-checking=false ssh deis-controller@1 docker logs deis-controller
   fleetctl -strict-host-key-checking=false ssh deis-builder@1 docker logs deis-builder
   fleetctl -strict-host-key-checking=false ssh deis-logger@1 docker logs deis-logger