message: tests: Improve failure reporting
diff: @@ -167,9 +167,8 @@ impl Config {
  #[test]
  fn test_from_file_ok() {
  - let result = Config::from_file("tests/fixtures/config/.cobalt.yml");
  - assert!(result.is_ok());
  - assert_eq!(result.unwrap(),
  + let result = Config::from_file("tests/fixtures/config/.cobalt.yml").unwrap();
  + assert_eq!(result,
  Config {
  dest: "./dest".to_owned(),
  layouts: "_my_layouts".to_owned(),
  @@ -180,9 +179,8 @@ fn test_from_file_ok() {
  #[test]
  fn test_from_file_rss() {
  - let result = Config::from_file("tests/fixtures/config/rss.yml");
  - assert!(result.is_ok());
  - assert_eq!(result.unwrap(),
  + let result = Config::from_file("tests/fixtures/config/rss.yml").unwrap();
  + assert_eq!(result,
  Config {
  rss: Some("rss.xml".to_owned()),
  name: Some("My blog!".to_owned()),
  @@ -194,9 +192,8 @@ fn test_from_file_rss() {
  #[test]
  fn test_from_file_empty() {
  - let result = Config::from_file("tests/fixtures/config/empty.yml");
  - assert!(result.is_ok());
  - assert_eq!(result.unwrap(), Config { ..Default::default() });
  + let result = Config::from_file("tests/fixtures/config/empty.yml").unwrap();
  + assert_eq!((result), Config { ..Default::default() });
  }
  #[test]
  