message: oatpp::test::UnitTest print non-empty pools only on failure
diff: @@ -59,7 +59,9 @@ void UnitTest::run(v_int32 times) {
  auto it = POOLS.begin();
  while (it != POOLS.end()) {
  auto pool = it->second;
  + if(pool->getObjectsCount() != 0) {
  OATPP_LOGD("Pool", "name: '%s' [%d(objs)]", pool->getName().c_str(), pool->getObjectsCount());
  + }
  it ++;
  }
  