old_contents: import unittest
  
  if __name__ == "__main__":
      from .test_credential import *
      from .test_cli import *
      from .test_crypt import *
      from .test_utils import *
  
      unittest.main()
  
new_contents: import unittest
  
  if __name__ == "__main__":
      from .test_credential import *
      from .test_cli import *
      from .test_crypt import *
      from .test_utils import *
      from .test_database import *
  
      unittest.main()
  
subject: Add test_database to tests __main__