message: Drop assert in FizzyEngine
  Drop assert which checks number of results in not greater than 1.
  This is not true for executions resulting in traps, and FizzyEngine
  is not the best place to check it.
diff: @@ -135,7 +135,6 @@ WasmEngine::Result FizzyEngine::execute(
  {
  const auto [trapped, result_stack] =
  fizzy::execute(*m_instance, static_cast<uint32_t>(func_ref), args);
  - assert(result_stack.size() <= 1);
  return {trapped, !result_stack.empty() ? result_stack.back() : std::optional<uint64_t>{}};
  }
  } // namespace fizzy::test
  