diff --git a/tests/tools_test.py b/tests/tools_test.py
index 541674f..917e1a1 100644
--- a/tests/tools_test.py
+++ b/tests/tools_test.py
@@ -69,6 +69,8 @@ def test_get_db_file(tmp_path: Path) -> None:
     # config is not yet available
     tl.set_config(tmp_path, section, option, value)
     assert tl.get_db_file(tmp_path) == Path("test_value")
+    with pytest.raises(FileNotFoundError):
+        tl.get_db_file(tmp_path / "doesnotexist")
 
 
 def test_cache_enabled(tmp_path: Path) -> None:
@@ -82,3 +84,5 @@ def test_cache_enabled(tmp_path: Path) -> None:
     tl.set_config(tmp_path, section, option, "lalala")
     with pytest.raises(ValueError):
         tl.cache_enabled(tmp_path)
+    with pytest.raises(FileNotFoundError):
+        tl.cache_enabled(tmp_path / "doesnotexist")