Make AfterEach cleanup blocks more robust by only attempting to delete
resources if they exist. This prevents test failures when resources have
already been deleted or don't exist.
Changes:
- Check if resource exists before attempting deletion
- Only call Delete if Get succeeds (err == nil)
- Applied to all 5 controller test files
This fixes intermittent test failures in GitHub Actions where AfterEach
was failing with resource not found errors.
vegard
3cc169713e