func TestFmtTimestampOnSomeOtherYear(t *testing.T) {
    earliest := time.Unix(0, 0)
    later := earliest.AddDate(20, 4, 17)
    formatted := (&NextChange{TimeStamp: strconv.FormatInt(later.Unix(), 10)}).FmtTimestamp(earliest)
    assert.NotEmpty(t, formatted)