'Click on the help, and also get the DOM help element.
It operates on the help elements in the navigation bar.
Arguments:
signed_in (bool): Indicates whether user is signed in or not.
Returns:
WebElement: Help DOM element in the navigation bar.'

def get_nav_help_element_and_click_help(self, signed_in=True):

    element_css = None
    if signed_in:
        element_css = NAV_HELP_CSS
    else:
        element_css = NAV_HELP_NOT_SIGNED_IN_CSS
    self.q(css=element_css).first.click()
    return self.q(css=element_css).results[0]
