ok    unbound: no construct, synchronous, correct result
  ok    unbound: el_await on a non-future passes through, no crash
  ok    bound: does not crash
  ok    bound: the awaited result is correct
  ok    bound: the caller continues BEFORE the body finishes
  ok    bound: the wrap returns in under 10ms while the body takes 50ms

  6 assertions, 6 passed, 0 failed