public void DeleteInvoiceHeader()
{
var testDbSet = new TestDbSet<InvoiceHeader>(_dataCollection);
var testInvoiceHeaderDao = new TestInvoiceHeaderDao(testDbSet);
var invoiceHeaderToRemove = new InvoiceHeader
{
Id = 1,
Customer = "TestCustomer",
InvoiceDateTime = DateTime.MinValue,
InvoiceNumber = 1,
Supplier = "TestSupplier",
Tax = 0,
Total = 100
};
testInvoiceHeaderDao.Delete(invoiceHeaderToRemove);
Assert.IsFalse(testDbSet.DataCollection.Contains(invoiceHeaderToRemove));
}
