err := os.Setenv(key, value)
	if err != nil {
		t.Fatalf("Couldn't set environment variable, err: %v", err)
	}
}

func mktemp(dir, prefix string, t *testing.T) string {
	t.Helper()
	tempDir, err := os.MkdirTemp(dir, prefix)
	if err != nil {
		t.Fatalf("Couldn't get current working directory, err: %v", err)
	}
	t.Logf("Created temporary dir: %v", tempDir)
	return tempDir
}

func ls(dir string, t *testing.T) []string {

		t.Fatal(err)
	}
	return validFile.Name(), validFile
}

func createTestDirectory(t *testing.T, files map[string]string) string {
	t.Helper()
	tempDir, err := os.MkdirTemp("", "TestValidateCommand")
	if err != nil {
		t.Fatal(err)
	}

	for name, content := range files {
		filePath := filepath.Join(tempDir, name)

	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 {
			panic(fmt.Errorf("failed to make temp dir: %v", err))
		}
		f, err := os.Open("testdata/manifest-generate/data-snapshot.tar.gz")
		if err != nil {