public void CustomerIsCorrectAfterDBCreation()
{
var fakeDb = new ApplicationDbContext();
fakeDb.Customers = new FakeDbSet <Customer>();
Customer customerInfo = Customer.getSampleCustomer();
fakeDb.Customers.Add(customerInfo);
fakeDb.Users = new FakeDbSet <User>();
int result1 = fakeDb.SaveChanges();
var realDb = new ApplicationDbContext();
realDb.Customers.Add(customerInfo);
int result2 = realDb.SaveChanges();
var customer2 = fakeDb.Customers.FirstOrDefault <Customer>();
var customerSaved = realDb.Customers.Where(o => o.Kundenbezeichnung == customer2.Kundenbezeichnung).FirstOrDefault <Customer>();
Assert.AreEqual(customerSaved.Kundenbezeichnung, customer2.Kundenbezeichnung);
}