public void TestReadAll()
{
Payment p1 = createValidPayment();
p1.Note = "C1";
Payment p2 = createValidPayment();
p2.Note = "C2";
Payment p3 = createValidPayment();
p3.Note = "C3";
List <Payment> expectedPayments = new List <Payment>()
{
p1, p2, p3
};
List <Payment> actualPayments = paymentCollection.ReadAll();
CollectionAssert.AreEqual(expectedPayments, actualPayments);
}
