message: clippy assert
diff: @@ -411,10 +411,10 @@ fn mask_flags() {
  let dataset = Dataset::open(fixture!("tinymarble.png")).unwrap();
  let rb = dataset.rasterband(1).unwrap();
  let mask_flags = rb.mask_flags().unwrap();
  - assert_eq!(mask_flags.is_nodata(), false);
  - assert_eq!(mask_flags.is_alpha(), false);
  - assert_eq!(mask_flags.is_per_dataset(), false);
  - assert_eq!(mask_flags.is_all_valid(), true);
  + assert!(!mask_flags.is_nodata());
  + assert!(!mask_flags.is_alpha());
  + assert!(!mask_flags.is_per_dataset());
  + assert!(mask_flags.is_all_valid());
  }
  #[test]
  