SetIdx:  0,
		DiskIdx: diskIdx,
	}, true)
}

// creates a temp dir and sets up xlStorage layer.
// returns xlStorage layer, temp dir path to be used for the purpose of tests.
func newXLStorageTestSetup(tb testing.TB) (*xlStorageDiskIDCheck, string, error) {
	diskPath := tb.TempDir()

	// Initialize a new xlStorage layer.
	storage, err := newLocalXLStorageWithDiskIdx(diskPath, 3)
	if err != nil {
		return nil, "", err