1. Business Process Testing enables Subject Matter Experts to design quality assurance tests early in the development cycle in a script-free environment using Quality Center's Business Components, Test Plan, and Test Lab modules.
2. The roles in Business Process Testing are the Automation Engineer, who creates application areas and resources, and the Subject Matter Expert, who creates and automates components and builds business process tests.
3. The Business Process Testing workflow involves creating manual components, adding them to a business process test, automating the components, adding automated steps, debugging, adding parameters, and running the test to view results.