begin spec client france connect service

spec/services/france_connect_service_spec.rb

@@ -0,0 +1,13 @@
+require 'spec_helper'
+
+describe FranceConnectService do
+
+  describe '.retrieve_user_informations' do
+    let(:code) { 'plop' }
+
+    it 'set code for FranceConnectClient' do
+      expect_any_instance_of(FranceConnectClient).to receive(:initialize).with(code: code)
+      described_class.retrieve_user_informations code
+    end
+  end
+end