Merge branch 'ignore-markdown-cache-when-stubbing-application-settings' into 'master'

Don't use Markdown cache for stubbed settings in specs

Closes #41130

See merge request gitlab-org/gitlab-ce!15954

spec/features/help_pages_spec.rb

@@ -37,7 +37,7 @@ describe 'Help Pages' do
   context 'in a production environment with version check enabled', :js do
     before do
       allow(Rails.env).to receive(:production?) { true }
-      allow_any_instance_of(ApplicationSetting).to receive(:version_check_enabled) { true }
+      stub_application_setting(version_check_enabled: true)
       allow_any_instance_of(VersionCheck).to receive(:url) { '/version-check-url' }
 
       sign_in(create(:user))
@@ -56,9 +56,9 @@ describe 'Help Pages' do
 
   describe 'when help page is customized' do
     before do
-      allow_any_instance_of(ApplicationSetting).to receive(:help_page_hide_commercial_content?) { true }
-      allow_any_instance_of(ApplicationSetting).to receive(:help_page_text) { "My Custom Text" }
-      allow_any_instance_of(ApplicationSetting).to receive(:help_page_support_url) { "http://example.com/help" }
+      stub_application_setting(help_page_hide_commercial_content: true,
+                               help_page_text: 'My Custom Text',
+                               help_page_support_url: 'http://example.com/help')
 
       sign_in(create(:user))
       visit help_path

spec/support/stub_configuration.rb

@@ -7,6 +7,9 @@ module StubConfiguration
     allow_any_instance_of(ApplicationSetting).to receive_messages(to_settings(messages))
     allow(Gitlab::CurrentSettings.current_application_settings)
       .to receive_messages(to_settings(messages))
+
+    # Ensure that we don't use the Markdown cache when stubbing these values
+    allow_any_instance_of(ApplicationSetting).to receive(:cached_html_up_to_date?).and_return(false)
   end
 
   def stub_not_protect_default_branch