Regression testing in agile helps development teams pay attention to brand new operation, although keeping equilibrium with each brand-new product increment. Teams use regression testing to make sure tested applications continues to work following every modification. Regression testing may be the "stepchild" of agile testing, adored by a few, however, is critical to enable the high velocity that nimble teams strive to accomplish. https://testingxperts.wordpress.com/2019/04/17/regression-testing-in-agile-concepts-challenges-and-strategies/