public function testSetName()
 {
     $field = new DatetimeField('Datetime', 'Datetime');
     $field->setName('CustomDatetime');
     $this->assertEquals('CustomDatetime', $field->getName());
     $this->assertEquals('CustomDatetime[date]', $field->getDateField()->getName());
     $this->assertEquals('CustomDatetime[time]', $field->getTimeField()->getName());
     $this->assertEquals('CustomDatetime[timezone]', $field->getTimezoneField()->getName());
 }