4 test.cpp(8): error in "test": check ::boost::test_tools::tt_detail::is_defined_impl( "SYMBOL1", "= SYMBOL1" ) failed
5 test.cpp(9): error in "test": check ::boost::test_tools::tt_detail::is_defined_impl( "SYMBOL2(arg)", "= SYMBOL2(arg)" ) failed
7 *** 2 failures are detected in test suite "example"