From 1e78dc69f7fc4b31d8b05ee2c905d3bdf27b5aa9 Mon Sep 17 00:00:00 2001
From: Estevan Castilho <tevo@riajuu.net>
Date: Sat, 26 Sep 2026 01:52:08 +0000
Subject: Fix build, allow users to register relations

---
 test/unit/kernel/EphemeralRelation.ml | 1 +
 1 file changed, 1 insertion(+)

(limited to 'test/unit')

diff --git a/test/unit/kernel/EphemeralRelation.ml b/test/unit/kernel/EphemeralRelation.ml
index f75fd0d..c604c3e 100644
--- a/test/unit/kernel/EphemeralRelation.ml
+++ b/test/unit/kernel/EphemeralRelation.ml
@@ -124,6 +124,7 @@ let releasing_a_derivation_releases_its_inputs () =
   let released = ref false in
   let input =
     object
+      method to_string = "input"
       method reference = true
       method release = released := true
       method hash = Concepts.Hash.hash_of_int 0
-- 
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