Use uncached settings to verify admin settings took

In the specs, we don't actually check the values shown in the UI, but
directly check the backend data. We need to look at the uncached values
since the cached values expire after a minute.

ee/spec/features/admin/admin_settings_spec.rb

@@ -19,8 +19,8 @@ describe 'Admin updates EE-only settings' do
           click_button 'Save changes'
         end
 
-        expect(Gitlab::CurrentSettings.geo_status_timeout).to eq(15)
-        expect(Gitlab::CurrentSettings.geo_node_allowed_ips).to eq('192.34.34.34')
+        expect(current_settings.geo_status_timeout).to eq(15)
+        expect(current_settings.geo_node_allowed_ips).to eq('192.34.34.34')
         expect(page).to have_content "Application settings saved successfully"
       end
     end
@@ -63,10 +63,10 @@ describe 'Admin updates EE-only settings' do
       end
 
       aggregate_failures do
-        expect(Gitlab::CurrentSettings.elasticsearch_indexing).to be_truthy
-        expect(Gitlab::CurrentSettings.elasticsearch_search).to be_truthy
-        expect(Gitlab::CurrentSettings.elasticsearch_shards).to eq(120)
-        expect(Gitlab::CurrentSettings.elasticsearch_replicas).to eq(2)
+        expect(current_settings.elasticsearch_indexing).to be_truthy
+        expect(current_settings.elasticsearch_search).to be_truthy
+        expect(current_settings.elasticsearch_shards).to eq(120)
+        expect(current_settings.elasticsearch_replicas).to eq(2)
         expect(page).to have_content "Application settings saved successfully"
       end
     end
@@ -111,7 +111,7 @@ describe 'Admin updates EE-only settings' do
 
       wait_for_all_requests
 
-      expect(Gitlab::CurrentSettings.elasticsearch_limit_indexing).to be_truthy
+      expect(current_settings.elasticsearch_limit_indexing).to be_truthy
       expect(ElasticsearchIndexedNamespace.exists?(namespace_id: namespace.id)).to be_truthy
       expect(ElasticsearchIndexedProject.exists?(project_id: project.id)).to be_truthy
       expect(page).to have_content "Application settings saved successfully"
@@ -204,4 +204,8 @@ describe 'Admin updates EE-only settings' do
       end
     end
   end
+
+  def current_settings
+    ApplicationSetting.current_without_cache
+  end
 end