Create a `add_messages` to ResponseDSL
Create a `add_messages` to ResponseDSL

spree/endpoint_base,CasperSleep/endpoint_base,CasperSleep/endpoint_base,spree/endpoint_base,cao1998wang/endpoint_base,cao1998wang/endpoint_base,CasperSleep/endpoint_base,spree/endpoint_base,cao1998wang/endpoint_base