public void AddingDuplicateEntryShouldNotThrow()
{
InMemoryAccountTypeRepository subject = CreateSubject();
ChequeAccount data = CreateTestData2();
subject.Add(Key1, data);
ChequeAccount data2 = CreateTestData2();
subject.Add(Key1, data2);
Assert.AreEqual(data.Name, subject.GetByKey(Key1).Name);
}