old_contents: integration_test = True
  
  timeout = 2
  
  SLEEP_INTERVAL = int(100e6)
  
  def check_state(state):
      import re
      from functools import partial
      from operator import is_not
  
      r = re.compile('^(\d+) \[.*\] Hello World!')
      lines = map(r.match, state.console.split('\n'))
      lines = filter(partial(is_not, None), lines)
      times = map(lambda m: int(m.group(1)), lines)
      times = list(times)
  
      min_times = (timeout - 1) * int(1e9) // SLEEP_INTERVAL
      assert len(times) >= min_times, "Expected at least {0} hello worlds".format(min_times)
  
      prev = 0
      for t in times:
          diff = t - prev
          assert diff >= SLEEP_INTERVAL, "Sleep interval must be >= {0}".format(SLEEP_INTERVAL)
          prev = diff
  
new_contents: integration_test = True
  
  timeout = 2
  
  SLEEP_INTERVAL = int(100e6)
  MIN_TIME = 1451606400000000000 # 2016-1-1 0:0:0.0 UTC
  
  def check_state(state):
      import re
      from functools import partial
      from operator import is_not
  
      r = re.compile('^(\d+) \[.*\] Hello World!')
      lines = map(r.match, state.console.split('\n'))
      lines = filter(partial(is_not, None), lines)
      times = map(lambda m: int(m.group(1)), lines)
      times = list(times)
  
      min_times = (timeout - 1) * int(1e9) // SLEEP_INTERVAL
      assert len(times) >= min_times, "Expected at least {0} hello worlds".format(min_times)
  
      prev = 0
      for t in times:
          diff = t - prev
          assert diff >= SLEEP_INTERVAL, "Sleep interval must be >= {0}".format(SLEEP_INTERVAL)
          assert t >= MIN_TIME, "Time must be after {0}".format(MIN_TIME)
          prev = diff
  
subject: Make sure current date is late enough