Birt v The Public Trustee of Queensland  QSC 13 is a very interesting read. The Court pronounced against the validity of the will.
What is fascinating though (OK, maybe only to succession lawyers!) is that A Lyons J found against the first limb of the Bank v Goodfellow test – she was not convinced that the testator was able to comprehend the nature of the act of making a will and its effect. I am not aware of any cases which have found against this limb (although I’m sure there are some, somewhere in history).