Add spec for group issues search + sorting

spec/controllers/groups_controller_spec.rb

@@ -202,8 +202,8 @@ describe GroupsController do
   end
 
   describe 'GET #issues' do
-    let(:issue_1) { create(:issue, project: project) }
-    let(:issue_2) { create(:issue, project: project) }
+    let(:issue_1) { create(:issue, project: project, title: 'foo') }
+    let(:issue_2) { create(:issue, project: project, title: 'bar') }
 
     before do
       create_list(:award_emoji, 3, awardable: issue_2)
@@ -224,6 +224,26 @@ describe GroupsController do
         expect(assigns(:issues)).to eq [issue_2, issue_1]
       end
     end
+
+    context 'searching' do
+      it 'works with popularity sort' do
+        get :issues, id: group.to_param, search: 'foo', sort: 'popularity'
+
+        expect(assigns(:issues)).to eq([issue_1])
+      end
+
+      it 'works with priority sort' do
+        get :issues, id: group.to_param, search: 'foo', sort: 'priority'
+
+        expect(assigns(:issues)).to eq([issue_1])
+      end
+
+      it 'works with label priority sort' do
+        get :issues, id: group.to_param, search: 'foo', sort: 'label_priority'
+
+        expect(assigns(:issues)).to eq([issue_1])
+      end
+    end
   end
 
   describe 'GET #merge_requests' do