Fix test expectations

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/tests/test_models.py

@@ -686,7 +686,7 @@ class SubProjectTest(RepoTestCase):
         self.assertRaisesMessage(
             ValidationError,
             'Base file for new translations is not used '
-            'because of project settings.',
+            'because of component settings.',
             subproject.full_clean
         )