message: use medium agent for e2e tests
diff: @@ -9,6 +9,10 @@ steps:
  image: "node:10"
  - label: ":chains: End-to-End Tests"
  + agents:
  + # We use a medium sized instance instead of the normal small ones because
  + # e2e tests otherwise take +-8min
  + queue: "medium"
  command:
  # TODO: Remove hacky chmod for BuildKite
  - "echo '--- Setup'"
  