--- a/tests/test-evolve-obshistory-prune.t	Sat Feb 01 10:54:20 2020 +0100
+++ b/tests/test-evolve-obshistory-prune.t	Fri Dec 27 20:38:10 2019 -0800
@@ -77,7 +77,9 @@
                       *, (glob)
                       0 (glob)
                   ],
+                  "nodetype": "precursor",
                   "operation": "prune",
+                  "precnode": "0dec01379d3be6318c470ead31b1fe7ae7cb53d5",
                   "user": "test",
                   "verb": "pruned"
               }