require_fixture_classes

# File activerecord/lib/active_record/fixtures.rb, line 879
      def require_fixture_classes(table_names = nil)
        (table_names || fixture_table_names).each do |table_name|
          file_name = table_name.to_s
          file_name = file_name.singularize if ActiveRecord::Base.pluralize_table_names
          try_to_load_dependency(file_name)
        end
      end