The framework should be easy to use and have neatly written documentation.
Review whether the testing framework is compatible with your development environment.
It should allow easy debugging of unit test cases.
Make sure the testing framework is easily integrated into your build and works seamlessly with your continuous integration and delivery (CI/CD) tools.
The level of dependency on other libraries and tools should be minimal.
It should allow easy scalability to other languages and easy migration to other frameworks.
Check if the testing framework is actively maintained and will continue to be supported.
Look for a testing framework with a strong community of users and developers who can support and assist if you experience issues.