Tests: Reenable some tests incorrectly marked unsupported.

test_regress/t/t_display_time.out

@@ -1,3 +1,7 @@
 default:   [10] 0t time [                  10] No0 time  p=                  10 0p='ha
+-9,0,,0:   [10] 0t time [10] No0 time  p=                  10 0p='ha
+-9,0,,10:  [10] 0t time [        10] No0 time  p=                  10 0p='ha
+-9,0,ns,5: [10ns] 0t time [ 10ns] No0 time  p=                  10 0p='ha
+-9,3,ns,8: [10.000ns] 0t time [10.000ns] No0 time  p=                  10 0p='ha
 
 *-* All Finished *-*

test_regress/t/t_display_time.v

@@ -18,7 +18,6 @@ module t (/*AUTOARG*/
          $write;  // Check missing arguments work
          $write("default:   [%0t] 0t time [%t] No0 time  p=%p 0p=%0p\n",
                 $time, $time, $time, $time);
-`ifndef verilator // Unsupported
          $timeformat(-9, 0, "",   0);
          $write("-9,0,,0:   [%0t] 0t time [%t] No0 time  p=%p 0p=%0p\n",
                 $time, $time, $time, $time);
@@ -31,7 +30,6 @@ module t (/*AUTOARG*/
          $timeformat(-9, 3, "ns", 8);
          $write("-9,3,ns,8: [%0t] 0t time [%t] No0 time  p=%p 0p=%0p\n",
                 $time, $time, $time, $time);
-`endif
          $write("\n");
          $write("*-* All Finished *-*\n");
          $finish;

test_regress/t/t_enum_type_pins.pl

@@ -9,8 +9,6 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 # SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
 
 scenarios(simulator => 1);
-# Not yet working on Verilator
-$Self->{vlt_all} and unsupported("Verilator unsupported");
 
 compile(
     );