TimeZoneInfo.ToSerializedString/FromSerializedString do not round trip on Unix #19794

public static IEnumerable<object[]> SystemTimeZonesTestData()
{
    foreach (TimeZoneInfo tz in TimeZoneInfo.GetSystemTimeZones())
    {
        yield return new object[] { tz };
    }
}

[Theory]
[MemberData(nameof(SystemTimeZonesTestData))]
public static void ToSerializedString_FromSerializedString_RoundTrips(TimeZoneInfo timeZone)
{
    string serialized = timeZone.ToSerializedString();
    TimeZoneInfo deserializedTimeZone = TimeZoneInfo.FromSerializedString(serialized);
    Assert.Equal(timeZone, deserializedTimeZone);
    Assert.Equal(serialized, deserializedTimeZone.ToSerializedString());
}