cniNetworkConfigFile = "testdata/istio-cni.conf.template"
	cniNetworkConfig     = `{
  "cniVersion": "0.3.1",
  "name": "istio-cni",
  "type": "istio-cni",
  "plugin_log_level": "__LOG_LEVEL__",
  "kubernetes": {
      "kubeconfig": "__KUBECONFIG_FILENAME__",
      "cni_bin_dir": "/path/cni/bin"
  }
}
`
)

func TestCreateCNIConfigFile(t *testing.T) {
	cases := []struct {