1. A method of testing a feature to be deployed as part of a hosted application comprising: building an individual, replicated instance of the hosted application using a minimum set of information required for the instance of the hosted application, wherein the instance comprises a dedicated stack hosting a server with a mock services unit emulating systems representing external dependencies, and a developer's database instance comprising minimal database content selected by a meta data unit; deploying a coded feature to the replicated instance of the hosted application; and running a test on the deployed coded feature.