public void Update_UpdateInDatabase_true()
{
//Arrange
Author newAuthor = new Author("Ernest Hemingway");
newAuthor.Save();
Book newBook = new Book("Old Man and the Sea", 5);
newBook.Save();
newBook.AddAuthor(newAuthor.GetId());
Patron newPatron = new Patron("Johnny English", "555-555-5555");
newPatron.Save();
Checkout newCheckout = new Checkout("2017/05/1", newPatron.GetId(), newBook.GetId());
newCheckout.Save(newBook);
//Act
newCheckout.Update("2017/06/12");
string result = newCheckout.GetDueDate();
//Assert
Assert.Equal("2017/06/12", result);
// Assert.Equal(newName, result.GetName());
}
