One of the fundamental characteristics of unit tests is that they should be independent of other
system components. This means that a unit test should only cover the functionality of a single
component or unit of code, without relying on or interacting with external systems or modules. This
independence ensures that the tests are focused, reliable, and can be run quickly, providing
immediate feedback on the code quality of the unit being tested.
Reference: = The ISTQB Advanced Level Agile Technical Tester documents outline the importance of
unit test independence as a key aspect of technical testing in an Agile context. This characteristic is
crucial for maintaining the effectiveness and efficiency of the testing process within Agile
development cycles1.
