When we have shell tests, they should go in a directory by this name. A good test framework to use would be shunit2.
conkeror -q -batch -l /path/to/conkeror/tests/simple/keymap.js
or do them all in one go:
conkeror -q -e 'url_remoting_fn = load_rc;' /path/to/conkeror/tests/simple/*.js