def loadSampleHostsFile(self, content=(
            sampleHashedLine + otherSamplePlaintextLine +
            "\n# That was a blank line.\n"
            "This is just unparseable.\n"
            "This also unparseable.\n")):
        return KnownHostsFile.fromPath(self.pathWithContent(content))
Return a sample hosts file, with keys for www.twistedmatrix.com and
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/conch/test/test_knownhosts.py/KnownHostsDatabaseTests.loadSampleHostsFile