new_contents: import time
  
  import t
  import bucky.helpers
  
  
  def test_file_monitor():
      path = t.temp_file('asd')
      monitor = bucky.helpers.FileMonitor(path)
      t.eq(monitor.modified(), False)
      with open(path, 'w') as f:
          f.write('bbbb')
      time.sleep(.1)
      t.eq(monitor.modified(), True)
      t.eq(monitor.modified(), False)
  
subject: Add test for bucky.helpers.FileMonitor