type chartSourceType string

var (
	operatorRootDir = filepath.Join(env.IstioSrc, "operator")

	// testDataDir contains the directory for manifest-generate test data
	testDataDir = filepath.Join(operatorRootDir, "cmd/mesh/testdata/manifest-generate")

	// Snapshot charts are in testdata/manifest-generate/data-snapshot
	snapshotCharts = func() chartSourceType {
		d, err := os.MkdirTemp("", "data-snapshot-*")
		if err != nil {