Update controller and fix specs

- Only fetch integrations when feature flag is
enabled.
- Even when the feature flag is on, we should still
allow updates via form to allow backwards
compatibility.
- Update spec to point to new section path under
Settings > General instead of Settings > Integrations

app/controllers/admin/application_settings_controller.rb

@@ -28,10 +28,12 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
   end
 
   def integrations
-    perform_update if submitted?
-
+    if Feature.enabled?(:instance_level_integrations)
       # TODO: Update this with actual integrations
-    @integrations = Project.first.find_or_initialize_services.sort_by(&:title)
+      @integrations = Project.first&.find_or_initialize_services&.sort_by(&:title)
+    end
+
+    perform_update if submitted?
   end
 
   def update

ee/spec/features/admin/admin_settings_spec.rb

@@ -57,7 +57,7 @@ describe 'Admin updates EE-only settings' do
 
   context 'Elasticsearch settings' do
     before do
-      visit integrations_admin_application_settings_path
+      visit general_admin_application_settings_path
       page.within('.as-elasticsearch') do
         click_button 'Expand'
       end
@@ -137,7 +137,7 @@ describe 'Admin updates EE-only settings' do
       namespace = create(:elasticsearch_indexed_namespace).namespace
       project = create(:elasticsearch_indexed_project).project
 
-      visit integrations_admin_application_settings_path
+      visit general_admin_application_settings_path
 
       expect(ElasticsearchIndexedNamespace.count).to be > 0
       expect(ElasticsearchIndexedProject.count).to be > 0
@@ -166,9 +166,8 @@ describe 'Admin updates EE-only settings' do
   end
 
   it 'Enable Slack application' do
-    visit integrations_admin_application_settings_path
     allow(Gitlab).to receive(:com?).and_return(true)
-    visit integrations_admin_application_settings_path
+    visit general_admin_application_settings_path
 
     page.within('.as-slack') do
       check 'Enable Slack application'

spec/factories/application_settings.rb

@@ -3,5 +3,6 @@
 FactoryBot.define do
   factory :application_setting do
     default_projects_limit { 42 }
+    import_sources { [] }
   end
 end

spec/features/admin/admin_settings_spec.rb

@@ -194,12 +194,6 @@ describe 'Admin updates settings', :clean_gitlab_redis_shared_state, :do_not_moc
         expect(page).to have_content "Application settings saved successfully"
         expect(current_settings.terminal_max_session_time).to eq(15)
       end
-    end
-
-    context 'Integrations page' do
-      before do
-        visit integrations_admin_application_settings_path
-      end
 
       it 'Enable hiding third party offers' do
         page.within('.as-third-party-offers') do

spec/features/projects/clusters/gcp_spec.rb

@@ -208,7 +208,7 @@ describe 'Gcp Cluster', :js, :do_not_mock_admin_mode do
       stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
       sign_in(admin)
       gitlab_enable_admin_mode_sign_in(admin)
-      visit integrations_admin_application_settings_path
+      visit general_admin_application_settings_path
     end
 
     it 'user does not see the offer' do

spec/views/admin/application_settings/integrations.html.haml_spec.rb → spec/views/admin/application_settings/general.html.haml_spec.rb

@@ -2,8 +2,9 @@
 
 require 'spec_helper'
 
-describe 'admin/application_settings/integrations.html.haml' do
+describe 'admin/application_settings/general.html.haml' do
   let(:app_settings) { build(:application_setting) }
+  let(:user) { create(:admin) }
 
   describe 'sourcegraph integration' do
     let(:sourcegraph_flag) { true }
@@ -11,6 +12,7 @@ describe 'admin/application_settings/integrations.html.haml' do
     before do
       assign(:application_setting, app_settings)
       allow(Gitlab::Sourcegraph).to receive(:feature_available?).and_return(sourcegraph_flag)
+      allow(view).to receive(:current_user).and_return(user)
     end
 
     context 'when sourcegraph feature is enabled' do