test: remove empty test (#3742)

Author: curbengh

test/scripts/console/render.js

@@ -76,8 +76,6 @@ describe('render', () => {
     });
   });
 
-  it('output');
-
   it('engine', () => {
     const src = pathFn.join(hexo.base_dir, 'test');
     const dest = pathFn.join(hexo.base_dir, 'result.json');