message: Fix one last warning
diff: @@ -51,7 +51,7 @@ async fn test_read_token_cache() {
  cache_path: PathBuf::from(".test_read_token_cache.json"),
  ..Default::default()
  };
  - let mut predefined_spotify = ClientCredsSpotify::from_token(tok.clone());
  + let mut predefined_spotify = ClientCredsSpotify::from_token(tok);
  predefined_spotify.config = config.clone();
  // write token data to cache_path
  