message: test(binaryinstall): Add use for unix specifics in unix test
diff: use binary_install::Download;
  use std::fs::OpenOptions;
  -use std::os::unix::fs::OpenOptionsExt;
  #[test]
  #[cfg(unix)]
  -fn it_returns_binary_name() {
  +fn it_returns_binary_name_for_unix() {
  + use std::os::unix::fs::OpenOptionsExt;
  +
  let binary_name = "wasm-pack";
  let dir = tempfile::TempDir::new().unwrap();
  