diff --git a/tests/test-rename-merge1 b/tests/test-rename-merge1
--- a/tests/test-rename-merge1
+++ b/tests/test-rename-merge1
@@ -23,3 +23,5 @@ hg merge -y --debug
 hg status -AC
 cat b
 hg ci -m "merge" -d "0 0"
+hg debugindex .hg/data/b.i
+hg debugrename b
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