--- a/tests/test-http-bad-server.t	Mon Jan 17 19:29:41 2022 +0100
+++ b/tests/test-http-bad-server.t	Tue Jan 18 21:29:43 2022 +0100
@@ -30,7 +30,7 @@
 
   $ cat > .hg/hgrc << EOF
   > [extensions]
-  > badserver = $TESTDIR/badserverext.py
+  > badserver = $TESTDIR/testlib/badserverext.py
   > [server]
   > compressionengines = none
   > EOF