remctl comes with a comprehensive test suite, but it requires some
configuration in order to test anything other than low-level utility
functions.  For the full test suite, you will need to have a keytab that
can authenticate to a running KDC.  Using a test KDC environment, if you
have one, is recommended.
Follow the instructions in `tests/config/README` to configure the test
suite.
Now, you can run the test suite with: