--- a/tests/test-revlog-ancestry.py	Tue Dec 13 15:01:59 2022 +0100
+++ b/tests/test-revlog-ancestry.py	Wed Jan 25 12:57:52 2023 +0100
@@ -19,8 +19,10 @@
     f = open(name, 'wb')
     f.write(b'%s\n' % name)
     f.close()
-    repo[None].add([name])
-    commit(name, time)
+    with repo.wlock():
+        with repo.dirstate.changing_files(repo):
+            repo[None].add([name])
+        commit(name, time)
 
 
 def update(rev):