public function testParametersEncoding()
{
$transaction = new Transaction();
$inParams = array('params' => array('aerẑerüioRazeioj' => iconv('UTF-8', 'ISO-8859-1', 'ôûêîÖüïë'), 'abcdef' => 'ghijkl'));
$expectedParams = array('params' => array('aerẑerüioRazeioj' => 'ôûêîÖüïë', 'abcdef' => 'ghijkl'));
$transaction->setParameters($inParams);
$this->assertEquals($expectedParams, $transaction->getParameters());
}