The QA in the agile process tests the entire system depending on the sprints to accommodate software features development.
The QA teams take up software testing along with the development process. From the initial stages of the DevOps process to the final stage of smooth integration(CI) and continuous delivery(CD) a strong measure of care is taken.
QA teams have to think more creatively and realistically than ever before. Thus, the QA has taken a shift from Quality Assurance to Quality engineering. This ensures faster releases enforced with DevOps CI/CD and agile processes.