--- a/tests/test-discovery-obshashrange.t	Mon Dec 03 14:41:03 2018 +0800
+++ b/tests/test-discovery-obshashrange.t	Thu Dec 20 13:59:07 2018 +0800
@@ -9,6 +9,10 @@
   > blackbox =
   > [defaults]
   > blackbox = -l 100
+  > [blackbox]
+  > track = backupbundle, branchcache, cache, command, commandalias,
+  >         commandfinish, debug, discovery, evoext-cache, evoext-obsdiscovery,
+  >         incoming, tagscache
   > [experimental]
   > obshashrange=1
   > verbose-obsolescence-exchange=1