added integration tests for trend event to thresholds,EEs && fixes

services/trends.go

@@ -100,6 +100,9 @@ func (trs *TrendService) Start() error {
 
 // Reload handles the change of config
 func (tr *TrendService) Reload() (err error) {
+	tr.Lock()
+	tr.trs.Reload()
+	tr.Unlock()
 	return
 }
 

services/trends_test.go

@@ -29,13 +29,6 @@ import (
 	"github.com/cgrates/cgrates/utils"
 )
 
-func TestTrendServiceReload(t *testing.T) {
-	trendService := &TrendService{}
-	if err := trendService.Reload(); err != nil {
-		t.Errorf("Reload() expected no error, got %v", err)
-	}
-}
-
 func TestNewTrendService(t *testing.T) {
 
 	cfg := &config.CGRConfig{}