removed old test cases, that are not neccessary any more
removed old test cases, that are not neccessary any more

akrabat/zend-stdlib,php-refactoring/zend-array-utility,MadCat34/zend-stdlib,ezimuel/zend-stdlib,weierophinney/zend-stdlib,adamlundrigan/zend-stdlib,sravanchandj/zend-stdlib