message: Add tempfile for tests
diff: @@ -19,3 +19,6 @@ serde_derive = "1.0.79"
  serde_yaml = "0.8.5"
  openssl = "0.10.12"
  k8s-openapi = { git = "https://github.com/Arnavion/k8s-openapi-codegen", branch = "master", features = ["v1_10"] }
  +
  +[dev-dependencies]
  +tempfile = "3.0.4"
  