D3749: tests: replace `echo -n` with `printf` per check-code

[durin42 (Augie Fackler)]

durin42 created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3749

AFFECTED FILES
  tests/test-commit-interactive-curses.t

CHANGE DETAILS

diff --git a/tests/test-commit-interactive-curses.t b/tests/test-commit-interactive-curses.t
--- a/tests/test-commit-interactive-curses.t
+++ b/tests/test-commit-interactive-curses.t
@@ -215,7 +215,7 @@
   +hello world
 
 Make file empty
-  $ echo -n > x
+  $ printf "" > x
   $ cat <<EOF >testModeCommands
   > X
   > EOF



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