public function flushConfigurationCachesByChangedFilesFlushesConfigurationCache()
{
$this->registerCache('Flow_Object_Classes');
$this->registerCache('Flow_Object_Configuration');
$this->mockConfigurationManager->expects($this->once())->method('flushConfigurationCache');
$this->cacheManager->flushSystemCachesByChangedFiles('Flow_ConfigurationFiles', []);
}