text: exports.check = function (markoCompiler, expect, helpers) {
      var taglibLookup = markoCompiler.taglibLookup;
      var lookup = taglibLookup.buildLookup(__dirname);
  
      var hasHrefAttr = false;
  
      lookup.forEachAttribute('a', attr => {
          if (attr.name === 'href') {
              hasHrefAttr = true;
          }
      });
  
      expect(hasHrefAttr).to.equal(true);
  };