Fix extend_properties test
Fix extend_properties test

davidhesselbom/rock,thomasfanell/rock,ds84182/rock,shamanas/rock,ooc-lang/rock,jonathanudd/rock,magic-lang/rock,magic-lang/rock,ooc-lang/rock,marcusnaslund/rock,fredrikbryntesson/rock,thomasfanell/rock,fredrikbryntesson/rock,fasterthanlime/rock,cogneco/rock,jonathanudd/rock,fasterthanlime/rock,kirbyfan64/rock,zhaihj/rock,davidhesselbom/rock,cogneco/rock,zhaihj/rock,shamanas/rock,ds84182/rock,marcusnaslund/rock,kirbyfan64/rock