1. A test board comprising: a socket into which an analog core embedded application processor is installed; a mounting test circuit that has a same configuration as an environment where the analog core embedded application processor is actually used; and a relay that disconnects the mounting test circuit from the socket in response to a first control signal when a vector test is performed on the analog core embedded application processor, and that connects the mounting test circuit to the socket in response to a second control signal when a mounting set test is performed on the analog core embedded application processor.