twisted.internet.test.test_fdset.ReactorFDSetTestsBuilder_CFReactor.test_connectionLostOnShutdown fails sometimes

[itamar]

I am not sure why this wasn't caught when merged, but:

[ERROR]
Traceback (most recent call last):
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/python/log.py", line 88, in callWithLogger
    return callWithContext({"system": lp}, func, *args, **kw)
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/python/log.py", line 73, in callWithContext
    return context.call({ILogContext: newCtx}, func, *args, **kw)
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/python/context.py", line 118, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/python/context.py", line 81, in callWithContext
    return func(*args,**kw)
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/internet/abstract.py", line 251, in doWrite
    l = self.writeSomeData(self.dataBuffer)
  File "/Users/buildbot/BuildSlave/py-without-modules/Twisted/twisted/internet/abstract.py", line 216, in writeSomeData
    reflect.qual(self.__class__))
exceptions.NotImplementedError: twisted.internet.abstract.FileDescriptor does not implement writeSomeData

twisted.internet.test.test_fdset.ReactorFDSetTestsBuilder_CFReactor.test_connectionLostOnShutdown
twisted.internet.test.test_fdset.ReactorFDSetTestsBuilder_CFReactor.test_connectionLostOnShutdown

[itamar]

I'll just revert the ticket that caused this.