Add ability for Pacts to be used in integration tests

[canny]

Hey there,

we just started using pacts. Historically we've been using wiremock to mock other microservices when testing a microservice as a whole. It would be great if we could just use the test data we use for our pacts to run such tests.

https://pact.canny.io/admin/board/feature-requests/p/add-ability-for-pacts-to-be-used-in-integration-tests

[canny]

This issue has been linked to a Canny post: Add ability for Pacts to be used in integration tests 🎉