Unit rebase as a separate action

app/helpers/application_helper.rb

@@ -56,7 +56,7 @@ module ApplicationHelper
   end
 
   def tabular_fields_for(record_name, record_object = nil, options = {}, &block)
-    flash.now[:alert] = record_name.errors.full_messages unless record_name.errors.empty?
+    render_errors(record_name)
     fields_for(record_name, record_object, **options, &block)
   end
 
@@ -94,6 +94,10 @@ module ApplicationHelper
     image_element_to(:link, name, image, options, html_options)
   end
 
+  def render_errors(record)
+    flash.now[:alert] = record.errors.full_messages unless record.errors.empty?
+  end
+
   def render_flash_messages
     flash.map do |entry, messages|
       Array(messages).map do |message|