diff -r ee78135b2f45 -r 4bad80f1aad3 tests/test-sharing.t
--- a/tests/test-sharing.t	Mon Jun 04 01:28:02 2018 +0530
+++ b/tests/test-sharing.t	Wed Jun 06 03:26:47 2018 +0530
@@ -505,7 +505,14 @@
   6:e3f99ce9d9cd  draft  fix bug 24 (v2 by alice)
 
 Use evolve to fix the divergence.
-  $ HGMERGE=internal:other hg evolve --content-divergent
+  $ cat > editor.sh <<EOF
+  > #!/bin/sh
+  > cat > \$1 <<ENDOF
+  > fix bug 24 (v2 by bob)
+  > ENDOF
+  > EOF
+
+  $ HGEDITOR='sh ./editor.sh' HGMERGE=internal:other hg evolve --content-divergent
   merge:[5] fix bug 24 (v2 by bob)
   with: [6] fix bug 24 (v2 by alice)
   base: [4] fix bug 24 (v1)