You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: credit_cards_helper_test.rb
    path of file: ./repos/workarea/storefront/test/helpers/workarea/storefront
    
    the code of the file until where you have to start completion: require 'test_helper'

module Workarea
  module Storefront
    class CreditCardsHelperTest < ViewTest
      include InlineSvg::ActionView::Helpers

      def test_credit_card_issuer_icon
        assert_equal(
          inline_svg_tag(
            'workarea/storefront/default_card.svg',
            class: 'payment-icon payment-icon--foo',
            title: 'Foo'
          ),
          credit_card_issuer_icon('Foo')
        )

        asse
    
      def test_credit_card_issuer_icon
        assert_equal(
          inline_svg_tag(
            'workarea/storefront/default_card.svg',
            class: 'payment-icon payment-icon--foo',
            title: 'Foo'
          ),
          credit_card_issuer_icon('Foo')
        )

        assert_equal(
          inline_svg_tag(
            'workarea/storefront/payment_icons/visa.svg',
            class: 'payment-icon payment-icon--visa',
            title: 'Visa'
          ),
          credit_card_issuer_icon('Visa')
        )
      end