System.Globalization.ThaiBuddhistCalendar.GetEra C# (CSharp) Method

        public override int GetEra(DateTime time) {
            return (helper.GetEra(time));
        }

 public void PosTest3()
 {
     System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
     DateTime dt = tbc.MinSupportedDateTime;
     int era = tbc.GetEra(dt);
     Assert.Equal(1, era);
 }