[Fix #1149] Add context on tests before adding some more

spec/controllers/new_gestionnaire/avis_controller_spec.rb

@@ -1,6 +1,7 @@
 require 'spec_helper'
 
 describe NewGestionnaire::AvisController, type: :controller do
+  context 'with a gestionnaire signed in' do
     render_views
 
     let(:claimant) { create(:gestionnaire) }
@@ -139,3 +140,4 @@ describe NewGestionnaire::AvisController, type: :controller do
       end
     end
   end
+end