public function validationIsOnlyDoneForPropertiesWhichAreInTheDefaultOrPersistencePropertyGroup()
{
$this->removeExampleEntities();
$this->insertExampleEntity();
$this->persistenceManager->persistAll();
$testEntity = $this->testEntityRepository->findOneByName('Flow');
// We now make the TestEntities Description *invalid*, and still
// expect that the saving works without exception.
$testEntity->setDescription('');
$this->testEntityRepository->update($testEntity);
$this->persistenceManager->persistAll();
// dummy assertion to suppress PHPUnit warning
$this->assertTrue(true);
}