feat(procedure_serializer): just add an empty string for direction

app/serializers/procedure_serializer.rb

@@ -10,7 +10,8 @@ class ProcedureSerializer < ActiveModel::Serializer
     :geographic_information,
     :total_dossier,
     :link,
-    :state
+    :state,
+    :direction
 
   has_one :geographic_information, serializer: ModuleAPICartoSerializer
   has_many :types_de_champ, serializer: TypeDeChampSerializer
@@ -18,6 +19,10 @@ class ProcedureSerializer < ActiveModel::Serializer
   has_many :types_de_piece_justificative
   belongs_to :service, serializer: ServiceSerializer
 
+  def direction
+    ""
+  end
+
   def archived_at
     object.closed_at&.in_time_zone('UTC')
   end

spec/controllers/api/v1/procedures_controller_spec.rb

@@ -35,6 +35,7 @@ describe API::V1::ProceduresController, type: :controller do
         it { expect(subject[:description]).to eq(procedure.description) }
         it { expect(subject[:organisation]).to eq(procedure.organisation) }
         it { expect(subject[:archived_at]).to eq(procedure.closed_at) }
+        it { expect(subject[:direction]).to eq("") }
         it { expect(subject[:total_dossier]).to eq(procedure.total_dossier) }
         it { is_expected.to have_key(:types_de_champ) }
         it { expect(subject[:types_de_champ]).to be_an(Array) }