'L{KnownHostsFile.addHostKey} generates a random salt for each new key,
so subsequent salts will be different.'

def test_randomSalts(self):

    hostsFile = self.loadSampleHostsFile()
    aKey = Key.fromString(thirdSampleKey)
    self.assertNotEqual(hostsFile.addHostKey('somewhere.example.com', aKey)._hostSalt, hostsFile.addHostKey('somewhere-else.example.com', aKey)._hostSalt)
