eZ\Publish\Core\MVC\Symfony\Cache\Http\InstantCachePurger::purgeAll PHP Method

    public function purgeAll()
    {
        $this->purgeClient->purgeAll();
    }

 public function testPurgeAll()
 {
     $this->purgeClient->expects($this->once())->method('purgeAll');
     $purger = new InstantCachePurger($this->purgeClient, $this->contentService, $this->eventDispatcher);
     $purger->purgeAll();
 }