Enable snippets by default in project factory

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/factories.rb

@@ -32,6 +32,7 @@ FactoryGirl.define do
     path { name.downcase.gsub(/\s/, '_') }
     namespace
     creator
+    snippets_enabled true
 
     trait :public do
       visibility_level Gitlab::VisibilityLevel::PUBLIC