Add list of custom errors to display

app/models/api_entreprise/endpoint.rb

@@ -24,7 +24,7 @@ def root_meta
   end
 
   def custom_provider_errors
-    @custom_provider_errors ||= error_examples('502').reject do |error_payload|
+    @custom_provider_errors ||= error_examples('502').reject { |error_payload|
       %w[
         000
         051
@@ -34,9 +34,21 @@ def custom_provider_errors
         055
         999
       ].include?(error_payload['code'][2..])
+    }.concat(extra_provider_errors).flatten
+  end
+
+  def extra_provider_errors
+    all_extra_provider_errors.map do |extra_provider_error|
+      error_examples(extra_provider_error[:status]).select do |error_payload|
+        error_payload['code'] == extra_provider_error[:subcode]
+      end
     end
   end
 
+  def all_extra_provider_errors
+    [{ status: '404', subcode: '38422' }]
+  end
+
   def load_dummy_definition!
     missing_endpoints_definition = I18n.t("api_entreprise.missing_endpoints.#{path}", default: nil)
 

spec/features/api_entreprise/endpoints/show_spec.rb

@@ -73,6 +73,14 @@
         expect(page).to have_css('#erreurs')
       end
     end
+
+    context 'with an endpoint which has extra specific errors' do
+      let(:uid) { 'cibtp/attestations_cotisations_conges_payes_chomage_intemperies' }
+
+      it 'displays errors part' do
+        expect(page).to have_css('#erreurs')
+      end
+    end
   end
 
   describe 'actions' do