anchor.diff:  	      {error, analysis, Target, [Ticket|_Tickets]} =
   		  sched:analyze(Target, Options),
   	      ?assertEqual(Target, ticket:get_target(Ticket)),
  -	      ?assertEqual(io_lib:format("~s~n", ["Assertion violation"]),
  -                           error:error_type_to_string(
  -                             ticket:get_error(Ticket)))
  +	      ?assertEqual(assertion_violation,
  +                           error:type(ticket:get_error(Ticket)))
   	  end)}
        ]}.
  
positive.code: 	      {error, analysis, Target, [Ticket|_Tickets]} =
  		  sched:analyze(Target, Options),
  	      ?assertEqual(Target, ticket:get_target(Ticket)),
  	      ?assertEqual(io_lib:format("~s~n", ["Deadlock"]),
                             error:error_type_to_string(
                               ticket:get_error(Ticket)))
  	  end)},
        {"test06",
         ?_assertMatch({ok, {test, test06, []}},
  
negative.code: 	      {error, analysis, Target, [Ticket|_Tickets]} =
  		  sched:analyze(Target, Options),
  	      ?assertEqual(Target, ticket:get_target(Ticket)),
  	      ?assertEqual(exception, error:type(ticket:get_error(Ticket)))
  	  end)},
        {"test09",
         ?_assertMatch({ok, {test, test03, []}},
  