t.Helper()
	err := os.RemoveAll(dir)
	if err != nil {
		t.Fatalf("Failed to remove dir %v, err: %v", dir, err)
	}
}

// Removes Istio CNI's config from the CNI config file
func rmCNIConfig(cniConfigFilepath string, t *testing.T) {
	t.Helper()

	// Read JSON from CNI config file
	cniConfigMap, err := util.ReadCNIConfigMap(cniConfigFilepath)
	if err != nil {
		t.Fatal(err)
	}