Patch for rspec runner - to handle firefox freezzing [ done in spirit of monkey see monkey path - use on your own risk :-)

rspec-core_lib_rspec_core_example.rb

module RSpec
  module Core
    class Example

      def run(example_group_instance, reporter)
        @example_group_instance = example_group_instance
        @example_group_instance.example = self

        start(reporter)

        execution_attempt = 0
        begin
          unless pending
            with_pending_capture do
              with_around_hooks do
                begin
                  run_before_each
                  @example_group_instance.instance_eval(&@example_block)
                rescue Exception => e
                  execution_attempt += 1
                  if e.is_a?(Timeout::Error) and Capybara.current_driver == :selenium
                    Capybara.current_session.driver.browser.quit
                    Capybara.current_session.driver.instance_variable_set(:@browser, nil)
                    if execution_attempt < 2
                      redo
                    else
                      set_exception(e)
                    end
                  else
                    set_exception(e)
                  end
                ensure
                  run_after_each
                end
              end
            end
          end
        rescue Exception => e
          set_exception(e)
        ensure
          @example_group_instance.example = nil
          assign_auto_description
        end

        finish(reporter)
      end

    end
  end
end