Which type of service offers a preconfigured testing environment for application developers to create new software applications?

Which type of service offers a preconfigured testing environment for application developers to create new software applications?

Answer is: Software as a Service (SaaS).

Accenture DevOps Platform is a cloud-hosted development environment for continuously testing, releasing and maintaining applications. It includes preconfigured tools, test environments, automation blueprints, leading practices and security features.