Add UT

Signed-off-by: Roland.Ma <rolandma@yunify.com>

pkg/controller/group/group_controller_test.go

@@ -238,7 +238,7 @@ func getKey(group *v1alpha2.Group, t *testing.T) string {
 	return key
 }
 
-func TestDoNothing(t *testing.T) {
+func TestDeletesGroup(t *testing.T) {
 	f := newFixture(t)
 	group := newGroup("test")
 
@@ -260,3 +260,14 @@ func TestDoNothing(t *testing.T) {
 	f.expectUpdateGroupsDeleteAction(deletedGroup)
 	f.run(getKey(deletedGroup, t))
 }
+
+func TestDoNothing(t *testing.T) {
+	f := newFixture(t)
+	group := newGroup("test")
+
+	f.groupLister = append(f.groupLister, group)
+	f.objects = append(f.objects, group)
+
+	f.expectUpdateGroupsFinalizerAction(group)
+	f.run(getKey(group, t))
+}