fix init counters

engine/account.go

@@ -563,7 +563,7 @@ func (acc *Account) countUnits(amount float64, kind string, cc *CallCost, b *Bal
 
 // Create counters for all triggered actions
 func (acc *Account) InitCounters() {
-	acc.UnitCounters = make(UnitCounters, 0)
+	acc.UnitCounters = nil
 	ucTempMap := make(map[string]*UnitCounter)
 	for _, at := range acc.ActionTriggers {
 		if !strings.Contains(at.ThresholdType, "counter") {

general_tests/acntacts_test.go

@@ -67,7 +67,7 @@ ENABLE_ACNT,*enable_account,,,,,,,,,,,,,false,10`
 		t.Error(err)
 	} else if acnt == nil {
 		t.Error("No account created")
-	} else if !reflect.DeepEqual(expectAcnt, acnt) {
+	} else if !reflect.DeepEqual(expectAcnt.ActionTriggers, acnt.ActionTriggers) {
 		t.Errorf("Expecting: %+v, received: %+v", expectAcnt, acnt)
 	}
 }