anchor.diff:  				  "testing", infinity),
   
       receive
  -	{ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\r\n">>}} ->
  +	{ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"echo testing\n">>}} ->
   	    ok
       after 5000 ->
   	    ct:fail("Exec Timeout")
  
positive.code:     success = ssh_connection:exec(ConnectionRef0, ChannelId0,
  				  "testing", infinity),
      receive
  	{ssh_cm, ConnectionRef0, {data, ChannelId0, 0, <<"echo testing\r\n">>}} ->
  	    ok
      after 5000 ->
  	    ct:fail("Exec Timeout")
  
negative.code:                             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\n">>}} ->
                                      Parent ! {answer_received,self()},
                                      ct:log("~p:~p: recevied result on connection ~p", [?MODULE,?LINE,ConnectionRef])
                              after 5000 ->
  