...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Value "no" prohibits the framework from catching asynchronous system events. This could be used for test programs executed within GUI or to get a coredump for stack analysis. See usage recommendations pages for more details.
BOOST_TEST_CATCH_SYSTEM_ERRORS