require 'test_helper' class InvoiceDetailsTest < ActionDispatch::IntegrationTest def setup login_as users(:admin) end def test_with_vat invoice = invoices(:with_vat) visit admin_invoice_path(invoice) assert_selector '.total', text: 'VAT' end def test_without_vat invoice = invoices(:without_vat) visit admin_invoice_path(invoice) assert_no_selector '.total', text: 'VAT' end end