message: moved dataset creation to inner block
diff: @@ -266,6 +266,7 @@ fn test_create_with_band_type_with_options() {
  ];
  let tmp_filename = "/tmp/test.tif";
  + {
  let dataset = driver
  .create_with_band_type_with_options::<u8>(tmp_filename, 256, 256, 1, &options)
  .unwrap();
  @@ -273,8 +274,8 @@ fn test_create_with_band_type_with_options() {
  let rasterband = dataset.rasterband(1).unwrap();
  let block_size = rasterband.block_size();
  assert_eq!(block_size, (128, 64));
  + }
  - drop(dataset);
  let dataset = Dataset::open(Path::new(tmp_filename)).unwrap();
  let key = "INTERLEAVE";
  let domain = "IMAGE_STRUCTURE";
  