Add test for ensuring collabdocs initialize empty
Add test for ensuring collabdocs initialize empty

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