https://twitter.com/2btc10000pizzas/status/1303768424133398528

No idea what could be going on here :/
BOOST_CHECK_EQUAL(test_args.GetArg("-a", "xxx"), "");
    BOOST_CHECK_EQUAL(test_args.GetArg("-b", "xxx"), "1");
    BOOST_CHECK_EQUAL(test_args.GetArg("-fff", "xxx"), "0");
    BOOST_CHECK_EQUAL(test_args.GetArg("-ggg", "xxx"), "1");
    BOOST_CHECK_EQUAL(test_args.GetArg("-zzz", "xxx"), "xxx");
    BOOST_CHECK_EQUAL(test_args.GetArg("-iii", "xxx"), "xxx");
    
    BOOST_CHECK(test_args.GetArg("-d", "xxx") == "eee");
    
    BOOST_CHECK(test_args.GetArg("-h", "xxx") == "1");
    
    BOOST_CHECK(test_args.GetArg("-ccc", "xxx") == "extend1");
    
    const std::vector<std::string> sec1_ccc_expected = {"extend1","extend2","argument","multiple"};
    const auto& sec1_ccc_res = test_args.GetArgs("-ccc");
    BOOST_CHECK_EQUAL_COLLECTIONS(sec1_ccc_res.begin(), sec1_ccc_res.end(), sec1_ccc_expected.begin(), sec1_ccc_expected.end());
    test_args.SelectConfigNetwork("sec2");
    
    BOOST_CHECK(test_args.GetArg("-a", "xxx") == "");
    BOOST_CHECK(test_args.GetArg("-b", "xxx") == "1");
    BOOST_CHECK(test_args.GetArg("-d", "xxx") == "e");
    BOOST_CHECK(test_args.GetArg("-fff", "xxx") == "0");
    BOOST_CHECK(test_args.GetArg("-ggg", "xxx") == "1");
    BOOST_CHECK(test_args.GetArg("-zzz", "xxx") == "xxx");
    BOOST_CHECK(test_args.GetArg("-h", "xxx") == "0");
    
    BOOST_CHECK(test_args.GetArg("-iii", "xxx") == "2");
    
    BOOST_CHECK(test_args.GetArg("-ccc", "xxx") == "extend3");