public function testValues()
 {
     $c = new Collection([['id' => 1, 'name' => 'Hello'], ['id' => 2, 'name' => 'World']]);
     $this->assertEquals([['id' => 2, 'name' => 'World']], $c->filter(function ($item) {
         return $item['id'] == 2;
     })->values()->all());
 }