# File lib/test/unit/testcase.rb, line 113
        def suite
          suite = TestSuite.new(name, self)
          collect_test_names.each do |test|
            catch(:invalid_test) do
              suite << new(test)
            end
          end
          if suite.empty?
            catch(:invalid_test) do
              suite << new("default_test")
            end
          end
          suite
        end