anchor.diff:  %%                                 0 ->
   %%                                     unknown
   %%                             end,
  -%%             ?ct_fail("expected message ~w but got ~w", [MsgPattern, ActualMessage])
  +%%             ?ct_fail("expected message ~.0p but got ~.0p", [MsgPattern, ActualMessage])
   %%     end.
  
positive.code:                     Any ->
                          ct:pal("Failed: Stacktrace ~p~n",
                                 [util:get_stacktrace()]),
                          ?ct_fail("~s evaluated to \"~w\" which is "
                                 "not the expected ~s that evaluates to \"~w\"~n"
                                 "(~s)~n",
                                 [??Actual, Any, ??Expected, ExpectedVal, lists:flatten(Note)])
                  end
  
negative.code: %% expect_message_ignore(MsgPattern, IgnoredMessage) ->
  %%     receive
  %%         IgnoredMessage ->
  %%             ct:pal("ignored ~.0p", [IgnoredMessage]),
  %%             expect_message_ignore(MsgPattern, IgnoredMessage);
  %%         MsgPattern ->
  %%             ok
  