public function testGetDetachesNewObject()
 {
     $manager = new ContentManager($this->om);
     $this->repository->method('findOneBy')->with(['name' => 'name', 'locale' => 'en'])->willReturn(null);
     $content = new Content();
     $content->setName('name')->setText('text')->setLocale('en');
     $this->om->expects($this->once())->method('detach')->with($this->callback(function ($value) use($content) {
         return $value == $content;
     }));
     $manager->get('name', 'en', 'text');
 }