Fixed test utils mocker to receive a string, not a dict
Fixed test utils mocker to receive a string, not a dict

eloquence/unisubs,wevoice/wesub,ReachingOut/unisubs,norayr/unisubs,ReachingOut/unisubs,ReachingOut/unisubs,norayr/unisubs,ofer43211/unisubs,pculture/unisubs,eloquence/unisubs,pculture/unisubs,ofer43211/unisubs,ujdhesa/unisubs,ujdhesa/unisubs,ujdhesa/unisubs,norayr/unisubs,wevoice/wesub,ofer43211/unisubs,pculture/unisubs,wevoice/wesub,ReachingOut/unisubs,wevoice/wesub,pculture/unisubs,eloquence/unisubs,eloquence/unisubs,ofer43211/unisubs,ujdhesa/unisubs,norayr/unisubs