From 46cf72abc7a70529a1c372ad0f265f82f324af1e Mon Sep 17 00:00:00 2001
From: dalekliuhan <dalekliuhan@didiglobal.com>
Date: Fri, 20 Aug 2021 17:54:17 +0800
Subject: [PATCH] verify the ip address is not empty

---
 docker_test.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docker_test.go b/docker_test.go
index ebbf122680..011e16b85f 100644
--- a/docker_test.go
+++ b/docker_test.go
@@ -1513,9 +1513,13 @@ func TestGetGatewayIP(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if _, err := provider.GetGatewayIP(context.Background()); err != nil {
+	ip, err := provider.GetGatewayIP(context.Background())
+	if err != nil {
 		t.Fatal(err)
 	}
+	if ip == "" {
+		t.Fatal("could not get gateway ip")
+	}
 }
 
 func randomString() string {