message: Roll back to sleep instead of retry
  (fails on Travis CI)
diff: #!/bin/sh
  -if curl $1 -# --retry 4 --retry-connrefused | grep -q '<app-root></app-root>'; then
  +smoke 10
  +if curl $1 | grep -q '<app-root></app-root>'; then
  printf "\033[0;32mSmoke test passed!\033[0m"
  exit 0
  else
  