updated tests for 2.0
updated tests for 2.0

- assertEquals => assertEqual
- assertIsA => assertInternalType
- removed an expectation that no longer occurs

ramiroaraujo/cakephp-upload,amstegraf/cakephp-upload,silviolleite/cakephp-upload,zynesis/cakephp-upload,Phillaf/cakephp-upload,josegonzalez/cakephp-upload