%Error-UNSUPPORTED: t/t_timing_class_unsup.v:10:17: Unsupported: event controls in methods
                                                  : ... In instance $unit::EventClass
   10 |     task sleep; @e; endtask
      |                 ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: Exiting due to