--- a/tests/test-evolve-obshistory-split.t	Sat Feb 01 10:54:20 2020 +0100
+++ b/tests/test-evolve-obshistory-split.t	Fri Dec 27 20:38:10 2019 -0800
@@ -123,8 +123,10 @@
                       "parent",
                       "content"
                   ],
+                  "nodetype": "precursor",
                   "note": "testing split",
                   "operation": "split",
+                  "precnode": "471597cad322d1f659bb169751be9133dad92ef3",
                   "succnodes": [
                       "337fec4d2edcf0e7a467e35f818234bc620068b5",
                       "f257fde29c7a847c9b607f6e958656d0df0fb15c"