switch to rspec 3 mock syntax
switch to rspec 3 mock syntax

freerunningtech/spree-adyen,watg/spree-adyen,StemboltHQ/spree-adyen,freerunningtech/solidus-adyen,spree-contrib/spree-adyen,watg/spree-adyen,StemboltHQ/spree-adyen,quentinuys/spree-adyen,spree-contrib/spree-adyen,StemboltHQ/solidus-adyen,freerunningtech/spree-adyen,quentinuys/spree-adyen,StemboltHQ/solidus-adyen,spree-contrib/spree-adyen,freerunningtech/solidus-adyen,quentinuys/spree-adyen,StemboltHQ/spree-adyen,hoppinger/spree-adyen,freerunningtech/spree-adyen,hoppinger/spree-adyen,StemboltHQ/solidus-adyen,freerunningtech/solidus-adyen,watg/spree-adyen,hoppinger/spree-adyen,freerunningtech/solidus-adyen,StemboltHQ/solidus-adyen