--- a/tests/testlib/push-checkheads-util.sh	Thu Apr 09 19:52:30 2020 +0200
+++ b/tests/testlib/push-checkheads-util.sh	Thu Apr 09 20:02:32 2020 +0200
@@ -34,6 +34,6 @@
 
         echo >> "client/.hg/hgrc" "[ui]"
         echo >> "client/.hg/hgrc" "# simpler log output"
-        echo >> "client/.hg/hgrc" 'logtemplate = "{node|short} [{branch}{if(topic, ":{topic}")}] ({phase}): {desc}\\n"'
+        printf >> "client/.hg/hgrc" "%s" 'logtemplate = "{node|short} [{branch}{if(topic, ":{topic}")}] ({phase}): {desc}\n"'
     fi
 }