public void GetBankAccounts_ShouldReturnBankAccounts() { var context = serviceProvider.GetRequiredService <DataContext>(); var controller = new BankAccountsController(context); context.BankAccount.Add(bankAccount1); context.BankAccount.Add(bankAccount2); var bankAccounts = controller.GetBankAccounts().Value.ToList(); Assert.Equal(bankAccount1, bankAccounts[0]); Assert.Equal(bankAccount2, bankAccounts[1]); }