Fix some tests

app/models/cerfa.rb

@@ -5,7 +5,7 @@ class Cerfa < ActiveRecord::Base
   mount_uploader :content, CerfaUploader
   validates :content, :file_size => {:maximum => 20.megabytes}
 
-  after_save :internal_notification
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
 
   def empty?
     content.blank?

app/models/champ.rb

@@ -5,7 +5,7 @@ class Champ < ActiveRecord::Base
 
   delegate :libelle, :type_champ, :order_place, :mandatory, :description, :drop_down_list, to: :type_de_champ
 
-  after_save :internal_notification
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
 
   def mandatory?
     mandatory

app/models/piece_justificative.rb

@@ -13,7 +13,7 @@ class PieceJustificative < ActiveRecord::Base
   validates :content, :file_size => {:maximum => 20.megabytes}
   validates :content, presence: true, allow_blank: false, allow_nil: false
 
-  after_save :internal_notification
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
 
   def empty?
     content.blank?

spec/factories/commentaire.rb

@@ -1,5 +1,11 @@
 FactoryGirl.define do
   factory :commentaire do
     body 'plop'
+
+    before(:create) do |commentaire, _evaluator|
+      unless commentaire.dossier
+        commentaire.dossier = create :dossier
+      end
+    end
   end
 end

spec/factories/notification.rb

@@ -3,7 +3,7 @@ FactoryGirl.define do
     type_notif 'commentaire'
     liste []
 
-    after(:create) do |notification, _evaluator|
+    before(:create) do |notification, _evaluator|
       unless notification.dossier
         notification.dossier = create :dossier
       end