Allow comparisson of images that do not have the same size

[DigitalProducts]

The tool will fail with an imagick exception. This must be fetched.

• Perhabs it it possible to normalize both images to a common size.

[sebastianneubert]

As a tester, I would expect, that comparing two images, which has not the same size are different and the test should failed. Maybe a comparing image add whitespace to see, where the differences between the images at?