anchor.diff:  
   %%--------------------------------------------------------------------
   init_per_testcase(_TestCase, Config) ->
  +    %% To make sure we start clean as it is not certain that
  +    %% end_per_testcase will be run!
  +    ssh:stop(),
       ssh:start(),
       Config.
   
  
positive.code:     {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
      success = ssh_connection:exec(ConnectionRef, ChannelId0,
  				  "echo testing", infinity),
  
      %% receive response to input
      receive
  	{ssh_cm, ConnectionRef, {data, ChannelId0, 0, <<"testing\n">>}} ->
  
negative.code: 	{ssh_cm, ConnectionRef,{closed, ChannelId0}} ->
  	    ok
      end.
  %%--------------------------------------------------------------------
  big_cat() ->
      [{doc,"Use 'cat' to echo large data block back to us."}].
  