When they run the tests using a managed instance of the server, don't they need to configure the `jbossHome` property in the arquillian.xml file to point to the server path? The instructions are in the root README file, but you might want to point them there with something like:

_NOTE: The following commands assume you have configured your Maven user settings. If you have not, you must include Maven setting arguments on the command line. See [Run the Arquillian Tests](../README.md#run-the-arquillian-tests) for complete instructions and additional options._