1. A method, comprising: receiving one or more test cases and artifacts for a project, including request and response protocols for a service provided by a third party vendor; generating a test Representational State Transfer (REST) service for the project using the one or more test cases and the artifacts, wherein the test REST service simulates the service provided by a third party vendor; deploying the test REST service on different application servers; and testing features of a REST service client application on a tool server with the test REST service against the different application servers.