Test bugfix.

freelus/tests/test.py

@@ -84,9 +84,9 @@ class ApiTest(TestCase):
         request = self.factory.post("/pl/freelus/attach_examples_to_frame/",
                                     HTTP_X_REQUESTED_WITH='XMLHttpRequest',
                                     data={'frame_id': frame.pk,
-                                          'argument_id': argument.pk,
+                                          'selected_lus': json.dumps([self.lu.pk], separators=(',', ':')),
                                           'example_ids': json.dumps([self.example.pk], separators=(',', ':'))})
         response = attach_examples_to_frame(request)
 
-        examples = ExampleConnection.objects.filter(arguments=argument)
+        examples = ExampleConnection.objects.filter(lexical_unit=self.lu)
         self.assertEqual(1, examples.count())