```ruby
require "rails_helper"
include Warden::Test::Helpers

describe "Letters of Support" do
  let(:user) { create :user }
  let(:form_answer) { create :form_answer, :promotion, user: user }
  let!(:settings) { create :settings, :submission_deadlines }

  before do
    login_as user
    visit form_form_answer_supporters_path(form_answer)
  end

  it "should be able to create supporter" do
    click_link "+ Add another supporter"
    fill_in "First name", with: "Jack"
    fill_in "Last name", with: "Lee"
    fill_in "Relationship to nominee", with: "Brother"
    fill_in "Email", with: "supp@example.com"
    click_button "Send support request"

    expect(page).to have_content("supp@example.com")
  end

  describe "Support Letters" do
    before do
      allow_any_instance_of(Scan).to receive(:status).and_return("clean")
    end

    it "should be able to upload support letter" do
      click_link "+ Add another support letter"

      fill_in "First name", with: "Jack"
      fill_in "Last name", with: "Lee"
      fill_in "Relationship to nominee", with: "Brother"
      attach_file "Attachment", Rails.root.join("spec/fixtures/cat.jpg")
      click_button "Submit letter of support"

      expect(page).to have_link("cat.jpg")
    end
  end
end
```

Update spec, stub virus scanner
user
```ruby
require "rails_helper"
include Warden::Test::Helpers

describe "Letters of Support" do
  let(:user) { create :user }
  let(:form_answer) { create :form_answer, :promotion, user: user }
  let!(:settings) { create :settings, :submission_deadlines }

  before do
    login_as user
    visit form_form_answer_supporters_path(form_answer)
  end

  it "should be able to create supporter" do
    click_link "+ Add another supporter"
    fill_in "First name", with: "Jack"
    fill_in "Last name", with: "Lee"
    fill_in "Relationship to nominee", with: "Brother"
    fill_in "Email", with: "supp@example.com"
    click_button "Send support request"

    expect(page).to have_content("supp@example.com")
  end

  describe "Support Letters" do
    require "virus_scanner"
    before do
      response = { "id" => "123", "status" => "clean" }
      allow(::VirusScanner::File).to receive(:scan_url).and_return(response)
    end

    it "should be able to upload support letter" do
      click_link "+ Add another support letter"
      fill_in "First name", with: "Jack"
      fill_in "Last name", with: "Lee"
      fill_in "Relationship to nominee", with: "Brother"
      attach_file "Attachment", Rails.root.join("spec/fixtures/cat.jpg")
      click_button "Submit letter of support"
      expect(page).to have_link("cat.jpg")
    end
  end
end
```
assistant