%Error-UNSUPPORTED: t/t_expect.v:19:7: Unsupported: expect
   19 |       expect (@(posedge clk) a ##1 b) a = 110;
      |       ^~~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_expect.v:21:7: Unsupported: expect
   21 |       expect (@(posedge clk) a ##1 b) else a = 299;
      |       ^~~~~~
%Error-UNSUPPORTED: t/t_expect.v:23:7: Unsupported: expect
   23 |       expect (@(posedge clk) a ##1 b) a = 300; else a = 399;
      |       ^~~~~~
%Error: Exiting due to