diff --git a/analytical/tests/test_tag_uservoice.py b/analytical/tests/test_tag_uservoice.py
index <HASH>..<HASH> 100644
--- a/analytical/tests/test_tag_uservoice.py
+++ b/analytical/tests/test_tag_uservoice.py
@@ -40,14 +40,7 @@ class UserVoiceTagTestCase(TagTestCase):
 
     @override_settings(USERVOICE_WIDGET_KEY='')
     def test_empty_key(self):
-        r = UserVoiceNode().render(Context())
-        self.assertEqual(r, "")
-
-    @override_settings(USERVOICE_WIDGET_KEY='')
-    def test_overridden_empty_key(self):
-        vars = {'uservoice_widget_key': 'bcdefghijklmnopqrstu'}
-        r = UserVoiceNode().render(Context(vars))
-        self.assertIn("widget.uservoice.com/bcdefghijklmnopqrstu.js", r)
+        self.assertRaises(AnalyticalException, UserVoiceNode)
 
     def test_overridden_key(self):
         vars = {'uservoice_widget_key': 'defghijklmnopqrstuvw'}
Fix uservoice tests
Rewrite test_empty_key in the same way as in the other modules.
Delete test_overridden_empty_key, because the Node (In this case, the UserVoiceNode) should not be created if there is no configuration initially.