fix return code on failure for geth sync check

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ansible/roles/faucet/tasks/consul.yml

@@ -10,7 +10,8 @@
       RESP=$(curl -s -X POST -H 'Content-type:application/json' \
                  --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' \
                  http://localhost:{{ faucet_geth_rpc_port }}/)
-      echo "${RESP}" | jq -e ".result == false" || echo "${RESP}"
+      echo "${RESP}" | jq -e ".result == false" \
+          || ( echo "${RESP}"; exit 1 )
       
 - name: 'Consul service definition - {{ faucet_geth_name }}-rpc'
   include_role: name=consul-service