public function testExtensionAttributes()
 {
     $extensionAttributes = $this->attendeeType->extensionAttributes;
     $extensionAttributes['foo1'] = array('name' => 'foo1', 'value' => 'bar');
     $extensionAttributes['foo2'] = array('name' => 'foo2', 'value' => 'rab');
     $this->attendeeType->extensionAttributes = $extensionAttributes;
     $this->assertEquals('bar', $this->attendeeType->extensionAttributes['foo1']['value']);
     $this->assertEquals('rab', $this->attendeeType->extensionAttributes['foo2']['value']);
     $attendeeTypeXml = $this->attendeeType->saveXML();
     $newAttendeeType = new Zend_Gdata_Extension_AttendeeType();
     $newAttendeeType->transferFromXML($attendeeTypeXml);
     $this->assertEquals('bar', $newAttendeeType->extensionAttributes['foo1']['value']);
     $this->assertEquals('rab', $newAttendeeType->extensionAttributes['foo2']['value']);
 }