protected function setUp()
{
$this->Identity1 = $this->getMockWithoutConstructor(self::CoreObjectNamespace . 'Identity');
$this->Identity2 = $this->getMockWithoutConstructor(self::CoreObjectNamespace . 'Identity');
$this->PersistenceData = $this->getMockWithoutConstructor(self::CoreObjectNamespace . 'PersistenceData');
}