var _ = Describe("other function unit testing", func() {
    It("deleteDefaultGWResultRoutes with invalid config", func() {
        cniRouteConfig := []byte(`[
        { "dst": "0.0.0.0/0", "gw": "10.1.1.1" },
        { "dst": "10.1.1.0/24" },
        { "dst": "0.0.0.0/0", "gw": "10.1.1.1" }
        ]`)

        var routes []interface{}
        err := json.Unmarshal(cniRouteConfig, &routes)
        Expect(err).NotTo(HaveOccurred())

        newRoute, err := deleteDefaultGWResultRoutes(routes, "0.0.0.0/0")
        Expect(err).NotTo(HaveOccurred())
        routeJSON, err := json.Marshal(newRoute)
        Expect(err).NotTo(HaveOccurred())
        Expect(routeJSON).Should(MatchJSON(`[{"dst":"10.1.1.0/24"}]`))
    })
})