Selenium WebDriver Ruby: Part 5 (Checkboxes) 2

require 'rubygems'
require 'selenium-webdriver'

browser = Selenium::WebDriver.for :firefox
browser.get "http://localhost/page5"

wait = Selenium::WebDriver::Wait.new(:timeout => 15)

cb = browser.find_element(:name, "checkthebox")

# Check that the checkbox exists
cb = wait.until {
    element = browser.find_element(:name, "checkthebox")
    element if element.displayed?
}
puts "Test Passed: The check box exists" if cb

# Check the checkbox
cb.click

# Verify the state of checkbox
puts "Test Passed: The check box is selected now" if cb.selected? == true

sleep 2

# Un-Check the checkbox
cb.click

# Verify the state of checkbox again
puts "Test Passed: The check box is unselected now" if cb.selected? == false

browser.quit