Test editor select visible layer

Use the select visible layer control to select what information is overlaid on the step image. You have the following options:

Diffs
If you select this option, then pixels where significant differences were found are colored pink.
Remarks &  Issues
Select this option to display remarks and issues added by the user.
Regions
Select this option to display match level regions added by the user.
Viewport
Select this option to add a boundary box that represents the viewport size relative to the image size (relevant when the image is large than the viewport size).