Refactor dimension and category dragging tests and test arrangements

Now there are tests for 'freeform', 'perpendicular', and 'fixed'
arrangements for dragging the dimension label and category rectangle.

Author: Jon M. Mease

src/traces/parcats/parcats.js

@@ -769,7 +769,6 @@ function createHoverLabelForDimensionHovermode(rootBBox, bandElement) {
             allHoverlabels.push(createHoverLabelForCategoryHovermode(rootBBox, bandNode));
         });
 
-    console.log(allHoverlabels);
     return allHoverlabels
 }