_config->Set("APT::System", "Debian APT solver interface");
_config->Set("APT::Solver", "internal");
_config->Set("edsp::scenario", "/nonexistent/stdin");
_config->Set("APT::System", "Debian APT solver interface");
_config->Set("APT::Solver", "internal");
_config->Set("edsp::scenario", "/nonexistent/stdin");