hunk.code_window:         let error = parse('a{}').first.error('Error', { plugin: 'test' });
           expect(error.plugin).to.eql('test');
           expect(error.toString()).to.match(
               /^CssSyntaxError: test:<css input>:1:1: Error/);
       });
   });
hunk.labels: keep keep keep replace keep keep keep
hunk.after_edit:             /^CssSyntaxError: test: <css input>:1:1: Error/);
  
hunk.file_path: test/css-syntax-error.js
hunk.type: replace
file: @page :left {
      background: black
  }
  
  @media(min-width: 0) {
      background: white
  }
  
  @font-face {
      family-name: "A;' /**/";
  }
  
  @viewport {
      width: 110px;
  }
  
  @-ms-viewport {
      width: 100px;
  }
  