'Delayed calls are formatted nicely.'

def test_formatDelayedCall(self):

    error = DirtyReactorAggregateError(['Foo', 'bar'])
    self.assertEqual(str(error), 'Reactor    was    unclean.\nDelayedCalls:    (set    twisted.internet.base.DelayedCall.debug    =    True    to    debug)\nFoo\nbar')
