Reduce duplication in RSS feed specs for filter_issues_spec

spec/features/issues/filtered_search/filter_issues_spec.rb

@@ -538,34 +538,32 @@ describe 'Filter issues', js: true do
       group.add_developer(user)
     end
 
-    it 'updates atom feed link for project issues' do
-      visit project_issues_path(project, milestone_title: milestone.title, assignee_id: user.id)
+    shared_examples 'updates atom feed link' do |type|
+      it "for #{type}" do
+        visit path
+
         link = find_link('Subscribe')
         params = CGI.parse(URI.parse(link[:href]).query)
         auto_discovery_link = find('link[type="application/atom+xml"]', visible: false)
         auto_discovery_params = CGI.parse(URI.parse(auto_discovery_link[:href]).query)
 
-      expect(params).to include('rss_token' => [user.rss_token])
-      expect(params).to include('milestone_title' => [milestone.title])
-      expect(params).to include('assignee_id' => [user.id.to_s])
-      expect(auto_discovery_params).to include('rss_token' => [user.rss_token])
-      expect(auto_discovery_params).to include('milestone_title' => [milestone.title])
-      expect(auto_discovery_params).to include('assignee_id' => [user.id.to_s])
+        expected = {
+          'rss_token' => [user.rss_token],
+          'milestone_title' => [milestone.title],
+          'assignee_id' => [user.id.to_s]
+        }
+
+        expect(params).to include(expected)
+        expect(auto_discovery_params).to include(expected)
+      end
     end
 
-    it 'updates atom feed link for group issues' do
-      visit issues_group_path(group, milestone_title: milestone.title, assignee_id: user.id)
-      link = find('.breadcrumbs a', text: 'Subscribe')
-      params = CGI.parse(URI.parse(link[:href]).query)
-      auto_discovery_link = find('link[type="application/atom+xml"]', visible: false)
-      auto_discovery_params = CGI.parse(URI.parse(auto_discovery_link[:href]).query)
+    it_behaves_like 'updates atom feed link', :project do
+      let(:path) { project_issues_path(project, milestone_title: milestone.title, assignee_id: user.id) }
+    end
 
-      expect(params).to include('rss_token' => [user.rss_token])
-      expect(params).to include('milestone_title' => [milestone.title])
-      expect(params).to include('assignee_id' => [user.id.to_s])
-      expect(auto_discovery_params).to include('rss_token' => [user.rss_token])
-      expect(auto_discovery_params).to include('milestone_title' => [milestone.title])
-      expect(auto_discovery_params).to include('assignee_id' => [user.id.to_s])
+    it_behaves_like 'updates atom feed link', :group do
+      let(:path) { issues_group_path(group, milestone_title: milestone.title, assignee_id: user.id) }
     end
   end