Who does the testing
Some organizations have their own testing team that always tests every solution before they’re delivered to customers. These testers have specialized in the process of testing, thoroughly going through the system, and selecting all necessary buttons and actions to ensure that the system works. Other organizations will bring in other functional consultants for testing to assess what’s been done and determine if the solution makes sense.
System users should always be involved in testing. They’re the ones who know their processes and how the system needs to work to support their processes. User acceptance testing (UAT) is performed by actual users of the app.
As a consultant, you should always be involved in testing. Though you built the solution, you know the customer’s processes and the system, so you’re well-versed about the complete solution. It’s also good practice for an app maker to test their work in the development environment prior to committing it for promotion to test.
Technology is another way of testing your solutions. You can fully automate parts of your testing with the help of technology. Using automated tests will allow testing to be repeated frequently and can often catch unintended side effects through regression testing.