--- a/tests/test-evolve-obshistory-amend-then-fold.t	Wed Dec 04 11:00:00 2019 +0100
+++ b/tests/test-evolve-obshistory-amend-then-fold.t	Wed Dec 04 10:57:29 2019 -0800
@@ -152,7 +152,7 @@
   [
       {
           "markers": [],
-          "node": "eb5a0daa2192",
+          "node": "eb5a0daa21923bbf8caeb2c42085b9e463861fd0",
           "shortdescription": "C0"
       },
       {
@@ -175,7 +175,7 @@
                   "verb": "rewritten"
               }
           ],
-          "node": "b7ea6d14e664",
+          "node": "b7ea6d14e664bdc8922221f7992631b50da3fb07",
           "shortdescription": "B1"
       },
       {
@@ -196,7 +196,7 @@
                   "verb": "rewritten"
               }
           ],
-          "node": "0dec01379d3b",
+          "node": "0dec01379d3be6318c470ead31b1fe7ae7cb53d5",
           "shortdescription": "B0"
       },
       {
@@ -218,7 +218,7 @@
                   "verb": "rewritten"
               }
           ],
-          "node": "471f378eab4c",
+          "node": "471f378eab4c5e25f6c77f785b27c936efb22874",
           "shortdescription": "A0"
       }
   ]