anchor.diff:                              success = ssh_connection:exec(ConnectionRef, ChannelId0, "testing", infinity),
                               ct:log("~p:~p: exec on connection ~p", [?MODULE,?LINE,ConnectionRef]),
                               receive
  -                                {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\r\n">>}} ->
  +                                {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\n">>}} ->
                                       Parent ! {answer_received,self()},
                                       ct:log("~p:~p: recevied result on connection ~p", [?MODULE,?LINE,ConnectionRef])
                               after 5000 ->
  
positive.code: 				  "testing", infinity),
  
      receive
  	{ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\r\n">>}} ->
  	    ok
      after 5000 ->
  	    ct:fail("Exec Timeout")
  
negative.code: 				  "testing", infinity),
  
      receive
  	{ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\n">>}} ->
  	    ok
      after 5000 ->
  	    ct:fail("Exec Timeout")
  