From 87db4807c38b6494c08ceb8c34668e5ffe30f228 Mon Sep 17 00:00:00 2001
From: Siarhei Fedartsou <siarhei.fedartsou@gmail.com>
Date: Fri, 30 Sep 2022 18:11:15 +0200
Subject: [PATCH] add comments

---
 unit_tests/util/string_util.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/unit_tests/util/string_util.cpp b/unit_tests/util/string_util.cpp
index de3382c2b..b36c352fa 100644
--- a/unit_tests/util/string_util.cpp
+++ b/unit_tests/util/string_util.cpp
@@ -19,6 +19,7 @@ BOOST_AUTO_TEST_CASE(json_escaping)
     BOOST_CHECK_EQUAL(output, "\\b\\\\");
 
     input = "Aleja \"Solidarnosci\"";
+    output.clear();
     EscapeJSONString(input, output);
     BOOST_CHECK_EQUAL(SizeOfEscapedJSONString(input), 22);
     BOOST_CHECK_EQUAL(output, "Aleja \\\"Solidarnosci\\\"");