anchor.diff:            @include flex-direction(row);
           }
         ''',
  -      '.box {\n'
  -      '  -moz-box-sizing: border-box;\n'
  -      '  -webkit-box-sizing: border-box;\n'
  -      '  box-sizing: border-box; }\n'
  -      '\n'
  -      '.flex {\n'
  -      '  display: -webkit-flex;\n'
  -      '  display: flex;\n'
  -      '  -webkit-flex-direction: row;\n'
  -      '  flex-direction: row; }\n',
  -      useSassC: useSassC);
  +          '.box {\n'
  +          '  -moz-box-sizing: border-box;\n'
  +          '  -webkit-box-sizing: border-box;\n'
  +          '  box-sizing: border-box; }\n'
  +          '\n'
  +          '.flex {\n'
  +          '  display: -webkit-flex;\n'
  +          '  display: flex;\n'
  +          '  -webkit-flex-direction: row;\n'
  +          '  flex-direction: row; }\n',
  +          useSassC: useSassC);
       });
   
       test('support animations & transitions', () async {
  -      await _expectSassOutput(r'''
  +      await _expectSassOutput(
  +          r'''
           @import 'compass/css3';
   
           .animation {
  
positive.code:           @include transform-style;
          }
        ''',
        '.transform2d {\n'
        '  -moz-transform-origin: 50% 50%;\n'
        '  -ms-transform-origin: 50% 50%;\n'
        '  -webkit-transform-origin: 50% 50%;\n'
        '  transform-origin: 50% 50%; }\n'
        '\n'
        '.transform3d {\n'
        '  -moz-transform-style: preserve-3d;\n'
        '  -webkit-transform-style: preserve-3d;\n'
        '  transform-style: preserve-3d; }\n',
        useSassC: useSassC);
      });
  
      test('replicate browsers & browser-prefixes functions', () async {
        await _expectSassOutput(r'''
          @import 'compass/css3';
  
          .browsers {
  
negative.code:   if (useSassC) {
      var sassc =
          await pathResolver.resolveExecutable(pathResolver.defaultSassCPath);
      output = await run('SassC', sassc, args, "@import 'polyfills';\n" + input);
    } else {
      var sass =
          await pathResolver.resolveExecutable(pathResolver.defaultRubySassPath);
      output = await run(
          'Compass', sass, ['--compass', '--scss']..addAll(args), input);
    }
    expect(output, expectedOutput);
  }
  