instance method read_fixture_files

# File activerecord/lib/active_record/fixtures.rb, line 663
      def read_fixture_files
        yaml_files = Dir["#{@fixture_path}/{**,*}/*.yml"].select { |f|
          ::File.file?(f)
        } + [yaml_file_path]

        yaml_files.each do |file|
          Fixtures::File.open(file) do |fh|
            fh.each do |name, row|
              fixtures[name] = ActiveRecord::Fixture.new(row, model_class)
            end
          end
        end
      end