public function testCommand()
{
$this->assertHasOpcache();
$result = $this->runCommand('opcache:configuration -v');
$this->assertContains('opcache_get_configuration()', $result);
$this->assertContains('Directive', $result);
$this->assertContains('Value', $result);
$this->assertContains('opcache.enable', $result);
$this->assertContains('opcache.enable_cli', $result);
}