@Test
public void testNoRetention()
{

    systemSettingManager.saveSystemSetting( SettingKey.FILE_RESOURCE_RETENTION_STRATEGY, FileResourceRetentionStrategy.NONE );
    content = "filecontentA".getBytes();
    dataValueA = createFileResourceDataValue( 'A', content );
    assertNotNull( fileResourceService.getFileResource( dataValueA.getValue() ) );
    dataValueService.deleteDataValue( dataValueA );
    cleanUpJob.execute( null );
    assertNull( fileResourceService.getFileResource( dataValueA.getValue() ) );
}