There are many more within the same test kept the old way:
https://github.com/ravage84/cakephp/blob/3773311cc07ffd3bed0a0a9cf95ca69bafc74782/lib/Cake/Test/Case/Model/ModelReadTest.php#L1755
https://github.com/ravage84/cakephp/blob/3773311cc07ffd3bed0a0a9cf95ca69bafc74782/lib/Cake/Test/Case/Model/ModelReadTest.php#L1758

And in other tests...