private void TotalAmountShouldBe(int expected, DateTime startDate, DateTime endDate)
{
Assert.AreEqual(expected, _accounting.TotalAmount(startDate, endDate));
}
private void TotalAmountShouldBe(DateTime startDate, DateTime endDate, int excepted)
{
var amount = _accounting.TotalAmount(startDate, endDate);
Assert.AreEqual(excepted, amount);
}