--- a/tests/test-rust-ancestor.py	Sun Oct 29 11:21:18 2023 +0100
+++ b/tests/test-rust-ancestor.py	Sun Oct 29 12:01:57 2023 +0100
@@ -36,7 +36,7 @@
     'The Rust or C version of the "parsers" module, which the "ancestor" module'
     ' relies on, is not available.',
 )
-class rustancestorstest(revlogtesting.RevlogBasedTestBase):
+class rustancestorstest(revlogtesting.RustRevlogBasedTestBase):
     """Test the correctness of binding to Rust code.
 
     This test is merely for the binding to Rust itself: extraction of