Abstract: The aim of this paper is to evaluate and establish a mechanism to evaluate testing tools effectively, at the moment, there are many complex systems are built across the platforms and it is very complex problem to establish one common criterion to evaluate the testing tools. There are lot many tools available in the market at the moment, each to0ls have its own features to test software. For this paper, test cases are first manually tested and then as a part of the regression execution, same test cases are coded in the test scripts and being executed over the application under test. Automated testing is developed which saves time and resources, providing a good ROI. Test automation speeds up the testing process and minimizing time to market. An important contribution of this paper is the development of the metric suite that facilitates comparison and selection of a desired testing tool for automated testing.