Test scenarios are useful when the testers are unable to perform exhaustive testing of the software due to time constraints. The test scenarios enable the testers to test the functionality of the software across the most critical aspects in comparatively lesser time.
When should you write test cases?
Test Case Data
Or a mock framework can be used for the test if a dependency is not available or you need that dependency to be in a specific state. Having just enough to test that one part if sufficient. You DO NOT need to configure every piece of the application for the test to run.
Why do we write test scenarios?
Test scenarios are really easy to maintain due to their high-level design. The test case enable our evaluation that is detailed of application. The test scenario will help us in a way that is nimble of through the functionality. The test case is work on the fundamentals of “just how to be tested”.