highlight , possible resonable failure of test case

kfuser_test.go

 	"time"
 )
 
+//this is a real - network test,
+//response data is from server, makesure the data is as expected before run this test.
+// otherwise, the test should fail
 func TestKfList(t *testing.T) {
 	SetupConfig()
 	now := int32(time.Now().Unix())