public void WhenToLocalTimeCalled_ExpectExpectedValueReturned() { // Arrange var date = new DateTime(2015, 10, 15, 12, 12, 12, DateTimeKind.Utc); var expected = date.ToLocalTime(); // Act var target = new DateTimeWrap(date); var actual = target.ToLocalTime(); // Assert actual.DateTimeInstance.Should().Equal(expected); }