tests: namespace cleanup

Change-Id: Ic34a8d5330759db6ff037479dc29dc148095a256
diff --git a/tests/unit-tests/bzip2-helper.t.cpp b/tests/unit-tests/bzip2-helper.t.cpp
index 3b213f8..7494668 100644
--- a/tests/unit-tests/bzip2-helper.t.cpp
+++ b/tests/unit-tests/bzip2-helper.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2021 University of California, Los Angeles
+ * Copyright (c) 2012-2024 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -21,10 +21,9 @@
 
 #include "tests/boost-test.hpp"
 
-namespace chronosync {
-namespace test {
+namespace chronosync::tests {
 
-BOOST_AUTO_TEST_SUITE(TestBzip2Helper)
+BOOST_AUTO_TEST_SUITE(Bzip2HelperTests)
 
 BOOST_AUTO_TEST_CASE(Basic)
 {
@@ -46,5 +45,4 @@
 
 BOOST_AUTO_TEST_SUITE_END()
 
-} // namespace test
-} // namespace chronosync
+} // namespace chronosync::tests