Add test helpers for Boost.Test

Author: Flamefire

libs/common/include/s25util/boostTestHelpers.h

@@ -0,0 +1,14 @@
+// Copyright (C) 2001 Gennadiy Rozental
+// Copyright (C) 2005 - 2021 Settlers Freaks (sf-team at siedler25.org)
+//
+// SPDX-License-Identifier: BSL-1.0
+
+#pragma once
+
+#include <boost/version.hpp>
+
+#if BOOST_VERSION < 107000
+#    define BOOST_TEST_INFO_SCOPE(context_descr)                                             \
+        ::boost::test_tools::tt_detail::context_frame BOOST_JOIN(context_frame_, __LINE__) = \
+          ::boost::test_tools::tt_detail::context_frame(BOOST_TEST_LAZY_MSG(context_descr))
+#endif