anchor.diff:  
     const predictCheckBoxChanged = () => {
       if ($predict.prop('checked')) {
  -      cd.settings.predict('on');
         predictOn();
       } else {
  -      cd.settings.predict('off');
         predictOff();
       }
     };
   
     const predictOn = () => {
  +    cd.settings.predict('on');
       cd.kata.testButton.hide(() => {
         $buttonsContainer.slideDown('slow');
         cd.kata.predictCounts.show();
  
positive.code: 
    const revertCheckBoxChanged = () => {
      if ($revert.prop('checked')) {
        cd.settings.revert('on');
      } else {
        cd.settings.revert('off');
      }
      cd.kata.editor.refocus();
    };
  
    //- - - - - - - - - - - - - - - - - - - - - - -
  
negative.code: 
    //- - - - - - - - - - - - - - - - - - - - - - -
    // Revert checkbox
  
    const $revertContainer = $('#revert-checkbox-container');
    const $revert  = $('#revert-checkbox');
  