Previews refactor: Added sanity checks to ImageUtil.cropt tests.
Previews refactor: Added sanity checks to ImageUtil.cropt tests.

Orodan/Hilary,ExC0d3/Hilary,stuartf/Hilary,timdegroote/Hilary,Orodan/Hilary,nicolaasmatthijs/Hilary,mrvisser/Hilary,Coenego/Hilary,timdegroote/Hilary,ExC0d3/Hilary,nicolaasmatthijs/Hilary,simong/Hilary,simong/Hilary,mrvisser/Hilary,jfederico/Hilary,stuartf/Hilary,jfederico/Hilary