public function testRestoreConfigScope()
{
$originalSiteAccess = new SiteAccess('foo', 'bar');
$event = new ScopeChangeEvent($originalSiteAccess);
$this->eventDispatcher->expects($this->once())->method('dispatch')->with(MVCEvents::CONFIG_SCOPE_RESTORE, $this->equalTo($event));
$this->previewHelper->setSiteAccess($originalSiteAccess);
$this->assertEquals($originalSiteAccess, $this->previewHelper->restoreConfigScope());
}