CakePHP 2.0.2 problem PHPUnit 3.6

Fix is in 2.0.3 https://github.com/cakephp/cakephp/commit/bfd95d0e04235396b5011b790042765da856d4ea#diff-2

For now, all we need to do is to replace /lib/Cake/Test and /lib/Cake/TestSuite with the ones from CakePHP 2.0.3