Added a test for the case of a wrong menu provider
Added a test for the case of a wrong menu provider

xabbuh/KnpMenu,zbigniewcichanski/KnpMenu,xabbuh/KnpMenu,stof/KnpMenu,zbigniewcichanski/KnpMenu,Nek-/KnpMenu,Nek-/KnpMenu,KnpLabs/KnpMenu,krymen/KnpMenu,stof/KnpMenu,Soullivaneuh/KnpMenu,Soullivaneuh/KnpMenu