Companies across the globe are striving to achieve such quality software that delivers seamless customer experience. To do so companies make all possible efforts to develop bug-free software. But mostly when a code change is made, a new bug is introduced which affects the functionality or the existing feature of the program and thus everything has to be started all over again. This becomes hectic in long run and acts as a toll on development and testing teams. Businesses want to make sure that there are no faults or defects in their system. To check and rectify these unknown bugs, Regression Testing is used. What is regression testing? Regression Testing is a software testing type that validates that a code change in the software does not affect the existing functionality of the product. This is done to make sure that the product is bug-free and works fine, without any errors or defects. It is done by re-running functional and non- functional tests test to check that the previously
