diff --git a/engine/action_plan_test.go b/engine/action_plan_test.go
index 9625e9995..5f431e445 100644
--- a/engine/action_plan_test.go
+++ b/engine/action_plan_test.go
@@ -340,3 +340,41 @@ func TestATExecute(t *testing.T) {
 		t.Error(err)
 	}
 }
+
+func TestGetNextStartTimeOld(t *testing.T) {
+	at := &ActionTiming{
+		Uuid: utils.GenUUID(),
+		Timing: &RateInterval{
+			Timing: &RITiming{
+				Years:     utils.Years{2023},
+				Months:    utils.Months{},
+				MonthDays: utils.MonthDays{},
+				WeekDays:  utils.WeekDays{},
+				StartTime: utils.ASAP,
+			},
+		},
+		Weight:    10,
+		ActionsID: "MINI",
+	}
+
+	loc, _ := time.LoadLocation("America/New_York")
+
+	tests := []struct {
+		name     string
+		expected time.Time
+	}{
+		{
+			name:     "Test Case 1",
+			expected: time.Date(2023, 1, 1, 0, 0, 0, 0, loc),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := at.GetNextStartTimeOld(now)
+			if !got.Equal(tt.expected) {
+				t.Errorf("GetNextStartTimeOld() = %v, want %v", got, tt.expected)
+			}
+		})
+	}
+}
diff --git a/engine/cdr_test.go b/engine/cdr_test.go
index 293c66f4b..c7de873a7 100644
--- a/engine/cdr_test.go
+++ b/engine/cdr_test.go
@@ -1355,3 +1355,50 @@ func TestUsageAsCDR(t *testing.T) {
 		})
 	}
 }
+
+func TestMetaHandler(t *testing.T) {
+	cfg, _ := config.NewDefaultCGRConfig()
+	storedCdr1 := &CDR{
+		CGRID: utils.Sha1("dsafdsaf", time.Unix(1383813745, 0).UTC().String()),
+		ToR:   utils.VOICE, OriginID: "dsafdsaf", OriginHost: "192.168.1.1",
+		RequestType: utils.META_RATED, Tenant: "cgrates.org", Category: "call",
+		Account: "1001", Subject: "1001", Destination: "1002",
+		SetupTime:  time.Unix(1383813745, 0).UTC(),
+		AnswerTime: time.Unix(1383813746, 0).UTC(),
+		Usage:      time.Duration(10) * time.Second,
+		RunID:      utils.MetaDefault, Cost: 1.01,
+		ExtraFields: map[string]string{"extra1": "val_extra1",
+			"extra2": "val_extra2", "extra3": "val_extra3"},
+	}
+	cdre, err := NewCDRExporter([]*CDR{storedCdr1},
+		cfg.CdreProfiles[utils.MetaDefault], utils.MetaFileCSV, "", "", "firstexport",
+		true, 1, utils.CSV_SEP, cfg.GeneralCfg().HttpSkipTlsVerify, nil, nil)
+	if err != nil {
+		t.Error("Unexpected error received: ", err)
+	}
+
+	tests := []struct {
+		tag      string
+		expected string
+	}{
+		{metaExportID, cdre.exportID},
+		{metaTimeNow, time.Now().Format("")},
+		{metaSMSUsage, "~Usage"},
+		{metaMMSUsage, "~Usage"},
+		{metaGenericUsage, "~Usage"},
+		{metaDataUsage, "~Usage"},
+		{metaCostCDRs, "0"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.tag, func(t *testing.T) {
+			got, err := cdre.metaHandler(tt.tag, "")
+			if err != nil {
+				t.Errorf("metaHandler() returned error: %v", err)
+			}
+			if got != tt.expected {
+				t.Errorf("metaHandler() = %v, want %v", got, tt.expected)
+			}
+		})
+	}
+}
diff --git a/engine/suppliers_test.go b/engine/suppliers_test.go
index b5b6b3d82..5635d6faf 100644
--- a/engine/suppliers_test.go
+++ b/engine/suppliers_test.go
@@ -973,3 +973,33 @@ func TestSupplierServicePopulateSortingData(t *testing.T) {
 		t.Error(err)
 	}
 }
+
+func TestArgsSuppAsOptsGetSupplier(t *testing.T) {
+	cfg, _ := config.NewDefaultCGRConfig()
+	tmpDm := dm
+	defer func() {
+		dm = tmpDm
+	}()
+	db := NewInternalDB(nil, nil, true, cfg.DataDbCfg().Items)
+	dm := NewDataManager(db, cfg.CacheCfg(), nil)
+	ev := &ArgsGetSuppliers{
+		MaxCost: utils.MetaEventCost,
+		CGREvent: &utils.CGREvent{
+			Tenant: "cgrates.org",
+			ID:     "CostSuppliers",
+			Event: map[string]interface{}{
+				utils.Account:     "1003",
+				utils.Subject:     "1001",
+				utils.Destination: "1002",
+				utils.Category:    "call",
+				utils.SetupTime:   time.Date(2017, 12, 1, 14, 25, 0, 0, time.UTC),
+				utils.Usage:       "1m20s",
+			},
+		},
+	}
+	SetDataStorage(dm)
+	if _, err := ev.asOptsGetSuppliers(); err == nil {
+		t.Error(err)
+	}
+	//unifinished
+}