def test_invalidHashedEntry(self):
        """
        If there are fewer than three whitespace-separated elements in an
        entry, or the hostname salt/hash portion has more than two elements,
        L{HashedEntry.fromString} should raise L{InvalidEntry}.
        """
        self.invalidEntryTest(HashedEntry)
        a, b, c = sampleHashedLine.split()
        self.assertRaises(InvalidEntry, HashedEntry.fromString, b' '.join(
                [a + b"||", b, c]))

        If there are fewer than three whitespace-separated elements in an
        entry, or the hostname salt/hash portion has more than two elements,
        L{HashedEntry.fromString} should raise L{InvalidEntry}.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_knownhosts.py