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