anchor.diff:                          ct:pal("Failed: Stacktrace ~p~n",
                                  [erlang:get_stacktrace()]),
                           ?ct_fail("~s evaluated to \"~w\" which is "
  -                               "not the expected ~s",
  +                               "not the expected ~s~n",
                                  [??Actual, Any, ??ExpectedPattern])
                   end
           end()).
  
positive.code:                         ct:pal("Failed: Stacktrace ~p~n",
                                 [erlang:get_stacktrace()]),
                          ?ct_fail("~s evaluated to \"~w\"; exception "
                                 "~s:~s was expected",
                                 [??Cmd, Any, ??ExceptionType, ??ExceptionPattern])
                  catch
                      ExceptionType: ExceptionPattern -> ok;
  
negative.code:                             after
                                  0 -> no_message
                              end,
                          ?ct_fail("expected message ~s but got \"~w\"~n", [??MsgPattern, ActualMessage])
                  end
          end()).
  -define(expect_message_ignore(MsgPattern, IgnoredMessage), ?expect_message_ignore(MsgPattern, IgnoredMessage, 1000)).
  