def test_removeWriter(self):
        reactor = self.buildReactor()
        self.addCleanup(self.unbuildReactor, reactor)

        # Cleanup might fail if file is GCed too soon:
        self.f = f = open(self.mktemp(), "wb")

        # Have the reader added:
        protocol = Protocol()
        stdio = StandardIO(protocol, stdout=f.fileno(),
                           stdin=self.extraFile.fileno(),
                           reactor=reactor)
        protocol.transport.write(b"hello")
        self.assertIn(stdio._writer, reactor.getWriters())
        stdio._writer.stopWriting()
        self.assertNotIn(stdio._writer, reactor.getWriters())
Attaches the disk to a VM.
dataset/ETHPy150Open twisted/twisted/twisted/internet/test/test_stdio.py/StdioFilesTests.test_removeWriter--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/providers/cloudstack/cloudstack_disk.py/CloudStackDisk.Attach