anchor.diff:      expect(response.statusCode, 200);
       expect(response.body, 'hello\n');
     });
  +
     test('404', () async {
       final response = await get(Uri.parse(host + '/foobar'));
       expect(response.statusCode, 404);
  
positive.code: ''';
  
  final String _test = r'''
  import 'package:http/http.dart';
  import 'package:test/test.dart';
  import 'package:test_process/test_process.dart';
  
  void main() {
    final port = '8080';
    final host = 'http://0.0.0.0:$port';
  
    setUp(() async {
      await TestProcess.start(
        'dart',
        ['run', 'bin/server.dart'],
        environment: {'PORT': port},
      );
    });
  
    test('Root', () async {
      final response = await get(Uri.parse(host + '/'));
  
negative.code: dev_dependencies:
    http: ^0.13.0
    lints: ^1.0.0
    test: ^1.15.0
  ''';
  
  