--- a/tests/test-evolve-obshistory.t	Wed May 03 13:12:39 2017 +0200
+++ b/tests/test-evolve-obshistory.t	Thu May 18 22:53:01 2017 +0200
@@ -12,6 +12,7 @@
   > publish=False
   > [extensions]
   > evolve =
+  > color =
   > EOF
 
 Test output on amended commit