```ruby
require_relative "../test_helper"

class CampaignControllerTest < ActionController::TestCase

  should "set slimmer format of campaign" do
    get :workplace_pensions
    assert_equal "campaign",  response.headers["X-Slimmer-Format"]
  end

  should "set correct expiry headers" do
    get :workplace_pensions
    assert_equal "max-age=1800, public",  response.headers["Cache-Control"]
  end

  should "load the workplace pensions campaign" do
    get :workplace_pensions
    assert_response :success
  end

  should "load the UK Welcomes campaign" do
    get :uk_welcomes
    assert_response :success
  end

  should "load the sort my tax campaign" do
    get :sort_my_tax
    assert_response :success
  end

  should "load the dvla new licence rules campaign" do
    get :new_licence_rules
    assert_response :success
  end

  should "load the firekills campaign" do
    get :fire_kills
    assert_response :success
  end

  should "load the know before you go campaign" do
    get :know_before_you_go
    assert_response :success
  end

end
```

Add a functional test for the business support campaign page
user
```ruby
require_relative "../test_helper"

class CampaignControllerTest < ActionController::TestCase

  should "set slimmer format of campaign" do
    get :workplace_pensions
    assert_equal "campaign",  response.headers["X-Slimmer-Format"]
  end

  should "set correct expiry headers" do
    get :workplace_pensions
    assert_equal "max-age=1800, public",  response.headers["Cache-Control"]
  end

  should "load the workplace pensions campaign" do
    get :workplace_pensions
    assert_response :success
  end

  should "load the UK Welcomes campaign" do
    get :uk_welcomes
    assert_response :success
  end

  should "load the sort my tax campaign" do
    get :sort_my_tax
    assert_response :success
  end

  should "load the dvla new licence rules campaign" do
    get :new_licence_rules
    assert_response :success
  end

  should "load the firekills campaign" do
    get :fire_kills
    assert_response :success
  end

  should "load the know before you go campaign" do
    get :know_before_you_go
    assert_response :success
  end

  should "load the business support campaign" do
    get :business_support
    assert_response :success
  end
end
```
assistant