Dale Hui d549fd5265 Fix memory leak in tests
- Stop leaking tickers. As the docs state, using time.Tick() will leak tickers,
      so use time.NewTicker() with time.Ticker.Stop().
    - Be more efficient by using time.NewTimer() with time.Timer.Stop() instead of time.After().
2019-01-05 13:52:25 -08:00
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2019-01-05 13:52:25 -08:00