Add "99 - Étranger" in Champ département.

spec/models/champ_shared_example.rb

@@ -35,4 +35,10 @@ shared_examples 'champ_spec' do
       it { is_expected.to eq 'typeahead' }
     end
   end
+
+  describe '.departement', vcr: {cassette_name: 'call_geo_api_departements'} do
+    subject { Champ.departements }
+
+    it { expect(subject).to include '99 - Étranger' }
+  end
 end