'Test that we can see the <clarification> tooltips.'

def test_clarification(self):

    self.courseware_page.visit()
    problem_page = ProblemPage(self.browser)
    self.assertEqual(problem_page.problem_name, 'TOOLTIP    TEST    PROBLEM')
    problem_page.click_clarification(0)
    self.assertIn('"Example    PV    Installation    Costs"', problem_page.visible_tooltip_text)
    problem_page.click_clarification(1)
    tooltip_text = problem_page.visible_tooltip_text
    self.assertIn('Return    on    Investment', tooltip_text)
    self.assertIn('per    year', tooltip_text)
    self.assertNotIn('strong', tooltip_text)
