Fix Test spec/controllers/api/*.rb

app/serializers/cerfa_serializer.rb

@@ -1,7 +1,6 @@
 class CerfaSerializer < ActiveModel::Serializer
-
   attributes :created_at,
-             :content_url => :url
+             :content_url
 
   has_one :user
 end

app/serializers/piece_justificative_serializer.rb

@@ -1,7 +1,7 @@
 class PieceJustificativeSerializer < ActiveModel::Serializer
   attributes :created_at,
              :type_de_piece_justificative_id,
-             :content_url => :url
+             :content_url
 
   has_one :user
 end

app/serializers/type_de_champ_serializer.rb

@@ -1,7 +1,7 @@
 class TypeDeChampSerializer < ActiveModel::Serializer
   attributes :id,
              :libelle,
-             {:type_champ => :type},
+             :type_champ,
              :order_place,
              :description
 end