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File "/home/douglas/Desktop/flourish.gradebook/src/schooltool/gradebook/browser/stests/activity_categories.txt", line 16, in activity_categories.txt
Failed example:
    browsers.manager.query.link('School').click()
Exception raised:
    Traceback (most recent call last):
      File "/home/douglas/Desktop/flourish.gradebook/python/lib/python2.6/doctest.py", line 1253, in __run
        compileflags, 1) in test.globs
      File "<doctest activity_categories.txt[6]>", line 1, in <module>
        browsers.manager.query.link('School').click()
      File "/home/douglas/Desktop/flourish.gradebook/flourish/src/schooltool/testing/selenium.py", line 230, in link
        return self._link_text(text)
      File "/home/douglas/Desktop/flourish.gradebook/flourish/src/schooltool/testing/selenium.py", line 184, in find_element
        return self._wrap(method(param))
      File "/home/douglas/.buildout/eggs/selenium-2.6.0-py2.6.egg/selenium/webdriver/remote/webdriver.py", line 208, in find_element_by_link_text
        return self.find_element(by=By.LINK_TEXT, value=link_text)
      File "/home/douglas/.buildout/eggs/selenium-2.6.0-py2.6.egg/selenium/webdriver/remote/webdriver.py", line 525, in find_element
        {'using': by, 'value': value})['value']
      File "/home/douglas/.buildout/eggs/selenium-2.6.0-py2.6.egg/selenium/webdriver/remote/webdriver.py", line 144, in execute
        self.error_handler.check_response(response)
      File "/home/douglas/.buildout/eggs/selenium-2.6.0-py2.6.egg/selenium/webdriver/remote/errorhandler.py", line 118, in check_response
        raise exception_class(message, screen, stacktrace)
    NoSuchElementException: Message: u'Unable to locate element: {"method":"link text","selector":"School"}'