message: Make mixed withdrawal validity tests parallel
diff: @@ -424,6 +424,7 @@ func TestMixedWithdrawalValidity(t *testing.T) {
  // There are 7 different fields we try modifying to cause a failure, plus one "good" test result we test.
  for i := 0; i <= 8; i++ {
  t.Run(fmt.Sprintf("withdrawal test#%d", i+1), func(t *testing.T) {
  + t.Parallel()
  // Create our system configuration, funding all accounts we created for L1/L2, and start it
  cfg := DefaultSystemConfig(t)
  cfg.DeployConfig.FinalizationPeriodSeconds = 6
  