diff --git a/bin/reorder_tests_tt2.sh b/bin/reorder_tests_tt2.sh
new file mode 100755
index 00000000..e8471287
--- /dev/null
+++ b/bin/reorder_tests_tt2.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+die()
+{
+  echo "ERROR: $1" >&2
+  exit "${2:-1}"
+}
+
+log_info()
+{
+  echo "INFO: $*"
+}
+
+INI=$1
+DISP=${2:-1}
+
+case $# in
+	1|2) ;;
+	*) echo "Wrong number or arguments"; usage; exit 1;;
+esac
+
+last_file=$(printf "%04d_test.yml.tt2" "${INI}")
+
+if ! [ -f "${last_file}" ] ; then
+	die "can't find ${last_file}"
+fi
+
+find . -name '0*_test.yml.tt2' | sort -r | while read -r tfile ; do
+	[[ ${tfile} =~ /0*([0-9]+)_test\.yml\.tt2 ]] || die "wtf"
+	num=${BASH_REMATCH[1]}
+	if [[ ${num} -ge ${INI} ]]; then
+		(( next = "$num" + "$DISP" ))
+		next_file=$(printf "%04d_test.yml.tt2" $next)
+		if [ -f "${next_file}" ] ; then
+			die "file ${next_file} already exist"
+		fi
+		git mv "${tfile}" "${next_file}"
+		log_info "OK ${num} => $next"
+	else
+		log_info "nothing to do with ${tfile}"
+	fi
+done