anchor.diff:              // If the images are different widths, return false
               // TODO: Allow this to be a configurable heuristic
               var actualDiffImg = compareSet.diffImg;
  -            // TODO: Use `actualWidth`
  +            // TODO: Use `naturalWidth`
               if (expectedDiffImg.width !== actualDiffImg.width) {
                 return false;
               }
  
positive.code:           var $currentImg = $imgSet.find('[data-compare-type="current"]');
            //- assert.strictEqual($currentImg.length, 1);
  
            // TODO: Extract base64 content for image
  
            // Run acceptance function
            acceptImageSetChanges($currentImg[0], imgSetId);
          });
        });
  
  
negative.code: 
          // Define acceptance helper
          function acceptImageSetChanges(acceptedImgBase64, imgSetId) {
            // Fade out diff and reference images to "loading" state
            var $imgSet = $('[data-image-set="' + jQuery.escapeSelector(imgSetId) + '"]');
            //- assert.strictEqual($imgSet.length, 1);
  