From ecf69b34649e614b5bf235d7c9e7e0f87e91fb8f Mon Sep 17 00:00:00 2001
From: Zaiming Shi <zmstone@gmail.com>
Date: Tue, 3 Nov 2020 13:43:13 +0100
Subject: [PATCH] chore(emqx_lwm2m): Add TEST compiler condition for test code

---
 apps/emqx_lwm2m/src/emqx_lwm2m_tlv.erl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/emqx_lwm2m/src/emqx_lwm2m_tlv.erl b/apps/emqx_lwm2m/src/emqx_lwm2m_tlv.erl
index 3cc333849..9288f89fb 100644
--- a/apps/emqx_lwm2m/src/emqx_lwm2m_tlv.erl
+++ b/apps/emqx_lwm2m/src/emqx_lwm2m_tlv.erl
@@ -20,6 +20,11 @@
         , encode/1
         ]).
 
+
+-ifdef(TEST).
+-export([binary_to_hex_string/1]).
+-endif.
+
 -include("emqx_lwm2m.hrl").
 
 -define(LOG(Level, Format, Args), logger:Level("LWM2M-TLV: " ++ Format, Args)).