diff --git a/nucleus/controller_test.go b/nucleus/controller_test.go
index 0e5fc9596163533675884874743b2f13bbbcba6e..b04349038c6687b9349e518c7947b17eaed82659 100644
--- a/nucleus/controller_test.go
+++ b/nucleus/controller_test.go
@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"reflect"
 	"testing"
+	"time"
 )
 
 func TestRun(t *testing.T) {
@@ -38,6 +39,7 @@ func TestRun(t *testing.T) {
 			t.Errorf("Run() error = %v", err)
 		}
 	}()
+	time.Sleep(time.Second)
 	t.Run("Controller Start HTTP API", func(t *testing.T) {
 		got, err := http.Get(tests[0].args.request)
 		if err != nil {