recherche un administrateur par email dans manager

app/dashboards/administrateur_dashboard.rb

@@ -16,7 +16,7 @@ class AdministrateurDashboard < Administrate::BaseDashboard
     registration_state: Field::String.with_options(searchable: false),
     current_sign_in_at: Field::DateTime,
     features: FeaturesField,
-    email: Field::Email
+    email: Field::Email.with_options(searchable: false)
   }.freeze
 
   # COLLECTION_ATTRIBUTES

spec/controllers/manager/administrateurs_controller_spec.rb

@@ -51,4 +51,14 @@ describe Manager::AdministrateursController, type: :controller do
       expect(Administrateur.find_by(id: admin.id)).to be_nil
     end
   end
+
+  describe '#index' do
+    render_views
+    let(:admin) { create(:administrateur) }
+
+    it 'searches admin by email' do
+      get :index, params: { search: admin.email }
+      expect(response).to be_success
+    end
+  end
 end