public void SetUp()
{
_invoice = new Invoice();
_mocker = new AutoMoqer();
_mocker.GetMock <IDatabase>().
Setup(p => p.GetInvoice(InvoiceId))
.Returns(_invoice);
_mocker.GetMock <ISecurity>()
.Setup(p => p.IsAdmin())
.Returns(true);
_mocker.GetMock <ISecurity>()
.Setup(p => p.GetUserName())
.Returns(UserName);
_command = _mocker.Create <PrintInvoiceCommand>();
}