/**
* @expectedException \Puli\Manager\Api\InvalidConfigException
*/
public function testFailIfPluginClassNotInstanceOfPuliPlugin()
{
$filesystem = new Filesystem();
$filesystem->copy($this->tempRoot . '/puli-not-a-plugin.json', $this->tempRoot . '/puli.json', true);
$this->puli->setRootDirectory($this->tempRoot);
$this->puli->start();
}