public function testClear()
{
/* setup */
$this->_request->setServer('argv', ['console.php', 'cache', 'clear', '--directory', 'cache/styles', '--bundle', 'base.min.css']);
$cacheCommand = new Command\Cache($this->_registry, $this->_request, $this->_config);
/* actual */
$actual = $cacheCommand->run('cli');
/* compare */
$this->assertEquals('cache/styles', $actual->getDirectory());
}