public void CheckCreatingClient()
{
// Arrange
Client client = ClientObjectMother.CreateClient();
deliveryFactoryMock.Setup(factory =>
factory.CreateClient(client.name, client.surname, client.phone_number, client.email, client.address))
.Returns(client);
// Act
Client returnedClient = deliveryService.CreateNewClient(client.name, client.surname, client.phone_number, client.email, client.address);
// Assert
clientRepositoryMock.Verify(r => r.InsertClient(client), Times.Once());
Assert.AreSame(client, returnedClient);
}