But if test automation is so limited, why do we do it in the first place? Because we have to, there is simply no other way. Because development adds up, testing doesn’t. Each iteration and release adds new features to the software (or so it should). And they need to be tested, manually. But new features also usually cause changes in the software that can break existing functionality. So existing functionality has to be tested, too. Ideally, you even want existing functionality to be tested continuously, so you recognise fast if changes break existing functionality and need some rework. But even if you only test before releases, in a team with a fixed number of developers and testers, over time, the testers are bound to fall behind. This is why at some point, testing has to be automated.
Choosing the framework for your project comes down to deciding what guidelines will produce the desired results of the automated tests. Often, developers end up designing a custom framework. This requires experienced testers and dedication to planning for the changes that may arise while implementing the automated testing. In some cases, an existing automation tool already has the functionality necessary to achieve the desired result of automated tests.
If the business application error occurred due to programming errors, then a request is created for the application development team to correct programming errors. If the business user needs new features or functions in the business application, then the required analysis/design/programming/testing/release is planned and a new version of the business software is deployed.
As mentioned previously, automated testing frees you up to focus on larger issues such as customer needs, functionality and improvements. Automated testing also reduces the cost and need for multiple code revisions, so over the course of time, the investment pays out. In addition, each time the source code is modified, the software tests can be repeated. Manually repeating these tests is costly and time-consuming, but automated tests can be run over and over again at no additional cost.
I think we can all agree that automation is a critical part of any organization's software delivery pipeline, especially if you call yourself "agile." It's pretty intuitive that if you automate testing, your release cycles are going to get shorter. "So, if that's the case," you might say, "why don't we just automate everything?" There's a good reason: automation comes with a price.