public function testExecute()
{
$application = $this->getApplication();
$application->add(new ListCommand());
$command = $this->getApplication()->find('cache:view');
\Mage::app()->getCache()->save('TEST n98-magerun', 'n98-magerun-unittest');
$commandTester = new CommandTester($command);
$commandTester->execute(array('command' => $command->getName(), 'id' => 'n98-magerun-unittest'));
$this->assertRegExp('/TEST n98-magerun/', $commandTester->getDisplay());
}