FOSS job failure with unintialized constant `uninitialized constant Gitlab::Throttle` in `spec/lib/gitlab/throttle_spec.rb:5`

 An error occurred while loading ./spec/lib/gitlab/throttle_spec.rb.
 Failure/Error:
   describe Gitlab::Throttle do
     describe '.protected_paths_enabled?' do
       subject { described_class.protected_paths_enabled? }
   
       it 'returns Application Settings throttle_protected_paths_enabled?' do
         expect(Gitlab::CurrentSettings.current_application_settings).to receive(:throttle_protected_paths_enabled?)
   
         subject
       end
     end
 NameError:
   uninitialized constant Gitlab::Throttle
   Did you mean?  ThrottledTouch
 # ./spec/lib/gitlab/throttle_spec.rb:5:in `<top (required)>'