public void GetAvaliableShifts_ForDate01012017_MustReturn_VA_Rus()
{
var date = new DateTime(2017, 1, 1);
var actual = _service.GetAvaliableShifts(date).First();
Assert.AreEqual("В", actual);
actual = _service.GetAvaliableShifts(date).Last();
Assert.AreEqual("А", actual);
Assert.AreEqual(2, _service.GetAvaliableShifts(date).Count());
}