anchor.diff:      });
   
       test('patch with bytes', () async {
  -      var response = await platformClient().patch(
  -        serverUrl,
  -        [104, 101, 108, 108, 111],
  -        headers: {
  -          'X-Random-Header': 'Value',
  -          'X-Other-Header': 'Other Value',
  -          'User-Agent': userAgent()
  -        },
  -      );
  +      var response = await platformClient()
  +          .patch(serverUrl, ASCII.encode('hello'), headers: {
  +        'X-Random-Header': 'Value',
  +        'X-Other-Header': 'Other Value',
  +        'User-Agent': userAgent()
  +      });
         var body = await response.readAsString();
   
         expect(response.statusCode, equals(200));
  
positive.code:     });
  
      test('post with bytes', () async {
        var response = await platformClient().post(
          serverUrl,
          [104, 101, 108, 108, 111],
          headers: {
            'X-Random-Header': 'Value',
            'X-Other-Header': 'Other Value',
            'User-Agent': userAgent()
          },
        );
        var body = await response.readAsString();
  
        expect(response.statusCode, equals(200));
  
negative.code:     });
  
      test('patch with string', () async {
        var response =
            await platformClient().patch(serverUrl, 'request body', headers: {
          'X-Random-Header': 'Value',
          'X-Other-Header': 'Other Value',
          'User-Agent': userAgent()
        });
        var body = await response.readAsString();
  
        expect(response.statusCode, equals(200));
  