Make sure we clear the application settings after

migration tests.

spec/spec_helper.rb

@@ -223,6 +223,8 @@ RSpec.configure do |config|
 
   config.after(:context, :migration) do
     schema_migrate_up!
+
+    Gitlab::CurrentSettings.clear_in_memory_application_settings!
   end
 
   config.around(:each, :nested_groups) do |example|