def test_a11y_unlock_to_camera(self):
system = System(self.marionette)
lock_screen = LockScreen(self.marionette)
lockScreen_window = self.marionette.find_element(*lock_screen._lockscreen_window_locator)
camera_locator = (By.CSS_SELECTOR, 'div.appWindow[data-manifest-name="Camera"]')
self.assertTrue(self.accessibility.is_visible(lockScreen_window))
self.assertFalse(system.is_element_present(*camera_locator))
camera = lock_screen.a11y_click_camera_button()
lock_screen.wait_for_lockscreen_not_visible()
self.assertEquals(self.apps.displayed_app.name, camera.name)
self.assertTrue(self.accessibility.is_hidden(lockScreen_window))
self.assertTrue(self.accessibility.is_visible(self.marionette.find_element(
*camera_locator)))
self.apps.switch_to_displayed_app()
camera.wait_for_capture_ready()
