- Deleted outdated backend test cases (`test_auth.py`, `test_rate_limiting.py`, `test_users.py`) to clean up deprecated test structure. - These tests are now redundant with newer async test implementations and improved coverage.
- Deleted outdated backend test cases (`test_auth.py`, `test_rate_limiting.py`, `test_users.py`) to clean up deprecated test structure. - These tests are now redundant with newer async test implementations and improved coverage.