Fix fenced server status computation

Co-authored-by: Romain <rtribotte@users.noreply.github.com>

pkg/provider/kubernetes/ingress/kubernetes_test.go

@@ -1534,6 +1534,46 @@ func TestLoadConfigurationFromIngresses(t *testing.T) {
 				},
 			},
 		},
+		{
+			desc: "Ingress with endpoint conditions",
+			expected: &dynamic.Configuration{
+				HTTP: &dynamic.HTTPConfiguration{
+					Middlewares: map[string]*dynamic.Middleware{},
+					Routers: map[string]*dynamic.Router{
+						"testing-bar": {
+							Rule:    "PathPrefix(`/bar`)",
+							Service: "testing-service1-80",
+						},
+					},
+					Services: map[string]*dynamic.Service{
+						"testing-service1-80": {
+							LoadBalancer: &dynamic.ServersLoadBalancer{
+								PassHostHeader: pointer(true),
+								ResponseForwarding: &dynamic.ResponseForwarding{
+									FlushInterval: ptypes.Duration(100 * time.Millisecond),
+								},
+								Servers: []dynamic.Server{
+									{
+										URL: "http://10.10.0.1:8080",
+									},
+									{
+										URL: "http://10.10.0.2:8080",
+									},
+									{
+										URL:    "http://10.10.0.3:8080",
+										Fenced: true,
+									},
+									{
+										URL:    "http://10.10.0.4:8080",
+										Fenced: true,
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
 	}
 
 	for _, test := range testCases {