diff -r 781b2720d2ac -r a3dacabd476b tests/test-parseindex2.py
--- a/tests/test-parseindex2.py	Fri Jul 20 08:10:32 2018 -0700
+++ b/tests/test-parseindex2.py	Fri Jul 20 14:36:42 2018 -0700
@@ -61,9 +61,6 @@
     e[0] = offset_type(0, type)
     index[0] = tuple(e)
 
-    # add the magic null revision at -1
-    index.append((0, 0, 0, -1, -1, -1, -1, nullid))
-
     return index, cache
 
 data_inlined = (