Test cases are the blueprints that test engineers follow, so they have to be clear, thorough, and accurate. Below are the tips that can help to write new test cases/ evaluate existing test cases.

1. Ensure that the test cases are easy to understand and simple to execute.

2. Use a unique test case ID for each.

3. Include Proper preconditions and Postconditions if needed.

4. Adopt suitable testing techniques.

5. Improve test cases by adding ad hoc scenarios.

6. Include a clear step-by-step description in each test.

7. Specify the exact expected result.

8. Get your test plan peer-reviewed before moving forward.