Fake out Repository#fetch_ref for merge request if

spec/factories/merge_requests.rb

@@ -68,6 +68,16 @@ FactoryGirl.define do
       merge_user author
     end
 
+    after(:build) do |merge_request|
+      target_project = merge_request.target_project
+
+      # Fake `fetch_ref` if we don't have repository
+      # We have too many existing tests replying on this behaviour
+      unless target_project.repository_exists?
+        allow(target_project.repository).to receive(:fetch_ref)
+      end
+    end
+
     factory :merged_merge_request, traits: [:merged]
     factory :closed_merge_request, traits: [:closed]
     factory :reopened_merge_request, traits: [:opened]

spec/features/task_lists_spec.rb

@@ -52,8 +52,8 @@ feature 'Task Lists' do
   before do
     Warden.test_mode!
 
-    project.team << [user, :master]
-    project.team << [user2, :guest]
+    project.add_master(user)
+    project.add_guest(user2)
 
     login_as(user)
   end
@@ -246,7 +246,6 @@ feature 'Task Lists' do
     end
 
     describe 'multiple tasks' do
-      let(:project) { create(:project, :repository) }
       let!(:merge) { create(:merge_request, :simple, description: markdown, author: user, source_project: project) }
 
       it 'renders for description' do