def test_removeNEWSfragments(self):
        builder = NewsBuilder()
        project = self.createFakeTwistedProject()
        self._commit(project)
        builder.buildAll(project)

        self.assertEqual(5, len(project.children()))
        output = self._getStatus(project)
        removed = [line for line in output.splitlines()
                   if line.startswith("D ")]
        self.assertEqual(3, len(removed))
I add reader to the set of file descriptors to get read events for.
dataset/ETHPy150Open twisted/twisted/twisted/python/test/test_release.py/NewsBuilderMixin.test_removeNEWSfragments--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/internet/interfaces.py/IReactorFDSet.addReader