message: more idiomatic assert expression
diff: @@ -280,11 +280,11 @@ fn test_create_with_band_type_with_options() {
  let key = "INTERLEAVE";
  let domain = "IMAGE_STRUCTURE";
  let meta = dataset.metadata_item(key, domain);
  - assert_eq!(meta, Some(String::from("BAND")));
  + assert_eq!(meta.as_deref(), Some("BAND"));
  let key = "COMPRESSION";
  let domain = "IMAGE_STRUCTURE";
  let meta = dataset.metadata_item(key, domain);
  - assert_eq!(meta, Some(String::from("LZW")));
  + assert_eq!(meta.as_deref(), Some("LZW"));
  }
  #[test]
  