[OPENENGSB-1283] added a comment to the testclient documentation file
[OPENENGSB-1283] added a comment to the testclient documentation file

openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb