add more delay for reconnect tries

controller/http_test.go

@@ -64,7 +64,7 @@ func waitForHTTPServer() error {
 	for i := 0; i < 10; i++ {
 		conn, err := net.DialTimeout("tcp", ":8080", 1*time.Second)
 		if err != nil {
-			time.Sleep(50 * time.Millisecond)
+			time.Sleep(2 * time.Second)
 			continue
 		}
 		err = conn.Close()