Remove image tag frmo favicon_link_tag

app/views/layouts/base.html.erb

@@ -9,14 +9,13 @@
     <%= tag :meta, name: 'viewport', content: 'width=device-width, initial-scale=1' %>
     <%= tag :meta, name: 'theme-color', content: '#0b0c0c' %>
 
-    <link rel="shortcut icon" sizes="16x16 32x32 48x48" href="favicon.ico" type="image/x-icon">
     <link rel="mask-icon" href="govuk-mask-icon.svg" color="#0b0c0c">
-    <%= favicon_link_tag image_path('favicon.ico'), type: nil, sizes: "48x48" %>
-    <%= favicon_link_tag image_path('favicon.svg'), type: 'image/svg+xml', sizes: "any" %>
-    <%= favicon_link_tag image_path('govuk-icon-mask.svg'), rel: 'mask-icon', color: "#0b0c0c", type: nil %>
-    <%= favicon_link_tag image_path('govuk-icon-180.png'), rel: 'apple-touch-icon', type: nil %>
+    <%= favicon_link_tag 'favicon.ico', type: nil, sizes: "48x48" %>
+    <%= favicon_link_tag 'favicon.svg', type: 'image/svg+xml', sizes: "48x48" %>
+    <%= favicon_link_tag 'govuk-icon-mask.svg', rel: 'mask-icon', color: "#0b0c0c", type: nil %>
+    <%= favicon_link_tag 'govuk-icon-180.png', rel: 'apple-touch-icon', type: nil %>
 
-    <%= tag :meta, property: 'og:image', content: image_path('govuk-opengraph-image.png') %>
+    <%= tag :meta, property: 'og:image', content: 'govuk-opengraph-image.png' %>
 
     <%= stylesheet_link_tag "main" %>
     <%= javascript_include_tag "main", defer: true %>

spec/system/trn_requests_spec.rb

@@ -372,8 +372,7 @@
 
   it "service is closed" do
     given_the_service_is_closed
-    and_i_visit_the_home_page
-    then_i_should_not_see_the_home_page
+    when_i_visit_the_homepage_i_should_get_an_authentication_error
 
     when_i_am_authorized_as_a_support_user
     and_i_visit_the_home_page
@@ -1158,4 +1157,14 @@ def when_i_navigate_to_the_name_page
   def when_i_navigate_to_the_email_page
     visit email_path
   end
+
+  def then_i_should_see_an_auth_error
+    expect(response).to raise_error(Ferrum::AuthError)
+  end
+
+  def when_i_visit_the_homepage_i_should_get_an_authentication_error
+    expect {
+      visit root_path
+    }.to raise_error(Ferrum::StatusError, /ERR_INVALID_AUTH_CREDENTIALS/)
+  end
 end