You can also pass the test this way by having "generous" judges contributing to the 1/3, which is likely because the judges are not impartial: they are emotionally invested in being part of a positive result. I wonder how Kevin Warwick himself voted, for example.
A more correct test (which admittedly doesn't cover this issue) would be to give each judge a conversation with one human and one computer, and for them to say which one they believe is the human.
A more correct test (which admittedly doesn't cover this issue) would be to give each judge a conversation with one human and one computer, and for them to say which one they believe is the human.