Add public/private/internal traits to :project Factory

spec/factories.rb

@@ -32,6 +32,18 @@ FactoryGirl.define do
     path { name.downcase.gsub(/\s/, '_') }
     namespace
     creator
+
+    trait :public do
+      visibility_level Gitlab::VisibilityLevel::PUBLIC
+    end
+
+    trait :internal do
+      visibility_level Gitlab::VisibilityLevel::INTERNAL
+    end
+
+    trait :private do
+      visibility_level Gitlab::VisibilityLevel::PRIVATE
+    end
   end
 
   # Generates a test repository from the repository stored under `spec/seed_project.tar.gz`.