diff --git a/engine/caches_test.go b/engine/caches_test.go
index 9afe0b503..0ca753f54 100644
--- a/engine/caches_test.go
+++ b/engine/caches_test.go
@@ -1032,3 +1032,39 @@ func TestCacheSBeginTransaction(t *testing.T) {
 	}
 
 }
+
+func TestCachesV1ReLoadCache(t *testing.T) {
+	cfg := config.NewDefaultCGRConfig()
+	tmpDm := dm
+	defer func() {
+		dm = tmpDm
+	}()
+	attr := &utils.AttrReloadCacheWithAPIOpts{
+		Tenant:                  "cgrates.org",
+		FilterIDs:               []string{"cgrates.org:FLTR_ID"},
+		AttributeFilterIndexIDs: []string{"cgrates.org:*any:*string:*req.Account:1001", "cgrates.org:*any:*string:*req.Account:1002"},
+	}
+	chS := NewCacheS(cfg, dm, nil)
+	var reply string
+	if err := chS.V1ReloadCache(context.Background(), attr, &reply); err != nil {
+		t.Error(err)
+	} else if reply != utils.OK {
+		t.Errorf("reply should  be %v", utils.OK)
+	}
+
+}
+
+func TestCachesCall(t *testing.T) {
+	chS := CacheS{}
+
+	ctx := context.Background()
+	serviceMethod := "Method"
+	args := "Args"
+	reply := "Reply"
+
+	err := chS.Call(ctx, serviceMethod, args, reply)
+
+	if err == nil {
+		t.Errorf("Call returned an unexpected error: %v", err)
+	}
+}
diff --git a/engine/stats_test.go b/engine/stats_test.go
index 42f1f008b..3da4f1e16 100644
--- a/engine/stats_test.go
+++ b/engine/stats_test.go
@@ -31,6 +31,7 @@ import (
 	"github.com/cgrates/birpc"
 	"github.com/cgrates/birpc/context"
 	"github.com/cgrates/cgrates/config"
+
 	"github.com/cgrates/cgrates/utils"
 )
 
@@ -3374,3 +3375,26 @@ func TestStatQueueProcessEventErr(t *testing.T) {
 	}
 
 }
+
+func TestStatServiceCall(t *testing.T) {
+
+	tDM := &DataManager{}
+	tConnMgr := &ConnManager{}
+	tFilterS := &FilterS{}
+	tCGRConfig := &config.CGRConfig{}
+	statService := &StatService{
+		dm:      tDM,
+		connMgr: tConnMgr,
+		filterS: tFilterS,
+		cgrcfg:  tCGRConfig,
+	}
+	ctx := context.Background()
+	serviceMethod := ""
+	args := ""
+	reply := ""
+	err := statService.Call(ctx, serviceMethod, args, &reply)
+	if err == nil {
+		t.Errorf("Call method returned error: %v", err)
+	}
+
+}