diff --git a/tests/test_config_object.py b/tests/test_config_object.py
index fcc10d03..3bdece2b 100644
--- a/tests/test_config_object.py
+++ b/tests/test_config_object.py
@@ -34,3 +34,7 @@ def test_simple_format(load_yaml):
 
     assert dir / "vcspull" == repo.dir.parent
     assert dir / "vcspull" / "libvcs" == repo.dir
+
+    assert hasattr(config, "filter_repos")
+    assert callable(config.filter_repos)
+    assert config.filter_repos(dir=dir / "vcspull" / "libvcs") == [repo]