diff --git a/tests/test_utils.py b/tests/test_utils.py
index dc8a466..4c869d7 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -14,14 +14,14 @@ from waybackpy.utils import (
     _check_match_type,
     _check_collapses,
     _check_filters,
-    _ts,
+    _timestamp_manager,
 )
 
 
-def test_ts():
+def test_timestamp_manager():
     timestamp = True
     data = {}
-    assert _ts(timestamp, data)
+    assert _timestamp_manager(timestamp, data)
 
     data = """
     {"archived_snapshots": {"closest": {"timestamp": "20210109155628", "available": true, "status": "200", "url": "http://web.archive.org/web/20210109155628/https://www.google.com/"}}, "url": "https://www.google.com/"}