### Question:
DssAuthenticationCommandResponse implements DssAuthCommand { @Override public String toString() { return "DssAuthenticationCommandResponse{" + "token: '" + (Objects.nonNull(token)? token : "null") + "'" + "}"; } @Builder private  DssAuthenticationCommandResponse(String token); @Override String toString();  }### Answer:
@Test void testToString() { final DssAuthenticationCommandResponse response = DssAuthenticationCommandResponse .builder().token("testToken").build(); assertFalse(response.toString().isEmpty()); }