public static IEnumerable<object[]> AddMinutes_TestData()
{
yield return new object[] { new DateTimeOffset(new DateTime(1986, 8, 15, 10, 20, 5, 70, DateTimeKind.Utc)), 5, new DateTimeOffset(new DateTime(1986, 8, 15, 10, 25, 5, 70, DateTimeKind.Utc)) };
yield return new object[] { new DateTimeOffset(new DateTime(1986, 8, 15, 10, 20, 5, 70, DateTimeKind.Utc)), 0, new DateTimeOffset(new DateTime(1986, 8, 15, 10, 20, 5, 70, DateTimeKind.Utc)) };
yield return new object[] { new DateTimeOffset(new DateTime(1986, 8, 15, 10, 20, 5, 70, DateTimeKind.Utc)), -5, new DateTimeOffset(new DateTime(1986, 8, 15, 10, 15, 5, 70, DateTimeKind.Utc)) };
}