* Unlike the {@link LogonFixture} on regular Isis fixtures, the logonAs is
* not automatically remembered until the end of the setup. It should
* therefore be invoked at the end of setup explicitly.
*/
public void logonAsOrSwitchUserTo(final String userName, final List<String> roleList) {
new OpenSession(this).openSession(userName, roleList);
aliasRegistry = reAdapt(aliasRegistry);
}