text: //print out the test results.......
  let printTestResults = function(passing, errors){
  
      let tdv = document.getElementById('tdv');
      tdv.innerHTML = "";
      let p = document.createElement('p');
      p.id = 'test1';
      if(passing){
          p.innerHTML = "All Tests Passed";
      }
      else{
  
          p.innerHTML = "Failed " + errors.length + " tests";
          let ul = document.createElement('ul');
          p.appendChild(ul);
          let li;
          for(let t=0;t<errors.length;t++){
              console.log(errors[t])
              li = document.createElement('li');
              li.innerHTML = errors[t];
              ul.appendChild(li);
          }
      }
  
      tdv.appendChild(p);
  
  }
  