--- a/testing/firefox-ui/tests/functional/security/test_security_notification.py
+++ b/testing/firefox-ui/tests/functional/security/test_security_notification.py
@@ -30,17 +30,17 @@ class TestSecurityNotification(FirefoxTe
         with self.marionette.using_context('content'):
             # Go to a site that has an invalid (expired) cert
             self.assertRaises(MarionetteException, self.marionette.navigate, self.urls[0])
 
             # Wait for the DOM to receive events
             time.sleep(1)
 
             # Verify the text in Technical Content contains the page with invalid cert
-            text = self.marionette.find_element(By.ID, 'technicalContentText')
+            text = self.marionette.find_element(By.ID, 'badCertTechnicalInfo')
             self.assertIn(self.urls[0][8:], text.get_attribute('textContent'))
 
             # Verify the "Go Back" and "Advanced" buttons appear
             self.assertIsNotNone(self.marionette.find_element(By.ID, 'returnButton'))
             self.assertIsNotNone(self.marionette.find_element(By.ID, 'advancedButton'))
 
             # Verify the error code is correct
             self.assertIn('SEC_ERROR_EXPIRED_CERTIFICATE', text.get_attribute('textContent'))

--- a/testing/firefox-ui/tests/functional/security/test_ssl_disabled_error_page.py
+++ b/testing/firefox-ui/tests/functional/security/test_ssl_disabled_error_page.py
@@ -29,17 +29,17 @@ class TestSSLDisabledErrorPage(FirefoxTe
         with self.marionette.using_context('content'):
             # Open the test page
             self.assertRaises(MarionetteException, self.marionette.navigate, self.url)
 
             # Wait for the DOM to receive events
             time.sleep(1)
 
             # Verify "Secure Connection Failed" error page title
-            title = self.marionette.find_element(By.ID, 'errorTitleText')
+            title = self.marionette.find_element(By.CLASS_NAME, 'title-text')
             nss_failure2title = self.browser.get_entity('nssFailure2.title')
             self.assertEquals(title.get_attribute('textContent'), nss_failure2title)
 
             # Verify "Try Again" button appears
             try_again_button = self.marionette.find_element(By.ID, 'errorTryAgain')
             self.assertTrue(try_again_button.is_displayed())
 
             # Verify the error message is correct