Add "mo" from "https://git.knownelement.com/ExternalVendorCode/mo.git@master"

git-vendor-name: mo
git-vendor-dir: vendor/git.knownelement.com/ExternalVendorCode/mo
git-vendor-repository: https://git.knownelement.com/ExternalVendorCode/mo.git
git-vendor-ref: master

vendor/git.knownelement.com/ExternalVendorCode/mo/tests/unbound-variable

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+cd "${0%/*}" || exit 1
+. ../run-tests
+
+declare -A a
+export a=()
+export template="o{{#a.b}}WRONG{{/a.b}}k"
+export expected="ok"
+
+runTest