@pact and @pactVerfication have to be in same class

I am looking to invoke the @pactverification test from consumer code instead of creating a dummy HttpClient and verifying the same. Does the @pact and @pactVerfication have to be in same class? Can we seperate the contracts with actual tests? If yes, how does the @pactverification test know which contract to look for ?Please let me know if I am missing anything