Add bridge source to import/export safe attributes

ee/spec/lib/gitlab/import_export/all_models.yml

@@ -13,6 +13,7 @@ merge_requests:
 - draft_notes
 ci_pipelines:
 - source_pipeline
+- source_bridge
 - sourced_pipelines
 - triggered_by_pipeline
 - triggered_pipelines

ee/spec/presenters/ci/build_presenter_spec.rb

@@ -9,7 +9,9 @@ describe Ci::BuildPresenter do
 
     it 'returns a verbose failure reason' do
       description = presenter.callout_failure_message
-      expect(description).to eq('The environment this job is deploying to is protected. Only users with permission may successfully run this job')
+
+      expect(description).to eq 'The environment this job is deploying to is protected. ' \
+                                'Only users with permission may successfully run this job.'
     end
   end
 end