feat: add title test for support users

spec/requests/users_controller_spec.rb

@@ -76,7 +76,7 @@ RSpec.describe UsersController, type: :request do
     end
 
     describe "title link" do
-      it "has GOV.UK header and service navigation both linking to home page" do
+      it "has GOV.UK header and service navigation both linking to home page for non-support user" do
         sign_in user
         get "/", headers:, params: {}
         expect(path).to eq("/")
@@ -87,6 +87,18 @@ RSpec.describe UsersController, type: :request do
 
         expect(page).to have_css(".govuk-service-navigation__link[href='/']", text: "Submit social housing lettings and sales data (CORE)")
       end
+
+      it "has GOV.UK header and service navigation both linking to home page for support user" do
+        support_user = create(:user, :support)
+        sign_in support_user
+        get "/", headers:, params: {}
+        follow_redirect!
+
+        govuk_header_link = '<a class="govuk-header__link govuk-header__homepage-link" href="/">'
+        expect(CGI.unescape_html(response.body)).to include(govuk_header_link)
+
+        expect(page).to have_css(".govuk-service-navigation__link[href='/']", text: "Submit social housing lettings and sales data (CORE)")
+      end
     end
 
     describe "#deactivate" do