public function testDeleteFieldData()
{
$versionInfo = new VersionInfo(array('versionNo' => 42));
$fieldIds = array(12, 23);
$gateway = $this->getGatewayMock();
$storage = $this->getPartlyMockedStorage(array('getGateway'));
$storage->expects($this->once())->method('getGateway')->with($this->getContext())->will($this->returnValue($gateway));
$gateway->expects($this->at(0))->method('unlinkUrl')->with(12, 42);
$gateway->expects($this->at(1))->method('unlinkUrl')->with(23, 42);
$storage->deleteFieldData($versionInfo, $fieldIds, $this->getContext());
}