hunk.code_window:       expect(elems).to.have.length(1);
         expect(elems[0].attribs['class']).to.equal('water');
       });
       it('() : should return an empty object for first child', function() {
         expect($('.apple', fruits).prevUntil()).to.have.length(0);
       });
       it('() : should return an empty object when called on an empty object', function() {
  
hunk.labels: keep keep keep add keep keep keep keep keep
hunk.after_edit:     it('(selector, filterString) : should return all preceding siblings until selector', function() {
         var elems = $('<ul><li><p></p></li><li></li></ul>');
         var empty = elems.find('li').eq(1).prevUntil(null, 'p');
         expect(empty).to.have.length(0);
       });
  
hunk.file_path: test/api.traversing.js
hunk.type: add
file: --reporter list
  --growl