public void SetPrice()
{
Admin admin = new Admin(Context);
SelectMenuIfNotSelected(admin);
var menu = Context.GetSelectedMenuForToday();
//Users accepts menu
User firstUser = new User(Context);
User secondUser = new User(Context);
firstUser.AcceptMenu(menu);
secondUser.AcceptMenu(menu);
//Admin sets price
decimal price = 105.20M;
TestEntity.SetPrice(price);
//Price should be setted
var order = Context.GetSelectedMenuForToday().Orders.First();
Assert.AreEqual(price, order.Price, "Price should be equal to setted value!");
//Price for each people
Assert.AreEqual(price / 2, order.PriceForEach, "Price for each people should be price/2 because 2 users accepted menu");
firstUser.RejectMenu(menu); // Exception throws here
}