[py] Re-add some markers

Author: cgoldberg

py/test/selenium/webdriver/common/alerts_tests.py

@@ -157,6 +157,8 @@ def test_alert_should_not_allow_additional_commands_if_dimissed(driver, pages):
         alert.text
 
 
+@pytest.mark.xfail_firefox
+@pytest.mark.xfail_remote
 @pytest.mark.xfail_safari
 def test_should_allow_users_to_accept_an_alert_in_aframe(driver, pages):
     pages.load("alerts.html")
@@ -169,6 +171,8 @@ def test_should_allow_users_to_accept_an_alert_in_aframe(driver, pages):
     assert "Testing Alerts" == driver.title
 
 
+@pytest.mark.xfail_firefox
+@pytest.mark.xfail_remote
 @pytest.mark.xfail_safari
 def test_should_allow_users_to_accept_an_alert_in_anested_frame(driver, pages):
     pages.load("alerts.html")