public function testProcessMethodByCallStatic()
{
// Skips this test if not running PHP 5.3+
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
$this->markTestSkipped('Incompatible PHP version');
}
require_once $this->getFilePath('TestMathWithCallStatic.php');
$this->rpc->registerMethod('TestMathWithCallStatic', 'diff');
$this->checkServerOutput('diff');
}