start_ui

# File lib/test/unit/ui/tk/testrunner.rb, line 84
          def start_ui
            @viewer.run
            running = false
            begin
              loop do
                if (running ^= true)
                  @run_button.configure('text'=>'Stop')
                  @mediator.run_suite
                else
                  @run_button.configure('text'=>'Run')
                  @viewer.join
                  break
                end
              end
            rescue @restart_signal
              retry
            rescue
            end
          end