Add fake participant subclass for unit test
Add fake participant subclass for unit test

shadeslayer/farstream,tieto/farstream,pexip/farstream,ahmedammar/skype_farsight2,shadeslayer/farstream,tieto/farstream,shadeslayer/farstream,tieto/farstream,shadeslayer/farstream,ahmedammar/skype_farsight2,pexip/farstream,pexip/farstream,tieto/farstream,kakaroto/farstream,kakaroto/farstream,tieto/farstream,ahmedammar/skype_farsight2,kakaroto/farstream,pexip/farstream,ahmedammar/skype_farsight2,kakaroto/farstream