public void GetMonthRangeInUTCTestMay() { //Setup DateTime testADate = new DateTime(2015, 5, 18); DateTime expectedUTCMonthStart = new DateTime(2015, 5, 1).ToUniversalTime(); DateTime expectedUTCNextMonthStart = new DateTime(2015, 6, 1).ToUniversalTime(); DateSpan expectedDateSpan = new DateSpan(expectedUTCMonthStart, expectedUTCNextMonthStart); //Act DateSpan result = InternshipChallengeNew.GetMonthRangeInUtc(testADate); //Perform Assert.True(result.Equals(expectedDateSpan)); }