anchor.diff:      d.file('index.html', '<html></html>').create();
       d.file('root.txt', 'root txt').create();
       d.file('random.unknown', 'no clue').create();
  +    d.binaryFile('magic_bytes_test_image', BASE64.decode(r"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4AYRETkSXaxBzQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAbUlEQVQI1wXBvwpBYRwA0HO/kjBKJmXRLWXxJ4PsnsMTeAEPILvNZrybF7B4A6XvQW6k+DkHwqgM1TnMpoEoDMtwOJE7pB/VXmF3CdseucmjxaAruR41Pl9p/Gbyoq5B9FeL2OR7zJ+3aC/X8QdQCyIArPsHkQAAAABJRU5ErkJggg==")).create();
       d
           .dir('files', [
         d.file('test.txt', 'test txt content'),
  
positive.code: // BSD-style license that can be found in the LICENSE file.
  
  import 'dart:io';
  import 'package:http_parser/http_parser.dart';
  import 'package:path/path.dart' as p;
  import 'package:scheduled_test/descriptor.dart' as d;
  
negative.code:         });
        });
      });
  
      test('magic_bytes_test_image should be image/png', () {
        schedule(() {
          var handler = createStaticHandler(d.defaultRoot, useMagicBytesForContentType: true);
  
          return makeRequest(handler, '/magic_bytes_test_image').then((response) {
            expect(response.mimeType, "image/png");
          });
        });
      });
    });
  }
  