WHAT THIS MEANS ??
I think everithing it´s ok on my code. But keep saying this.
on simple test it runs OK.

should return expected results
expected: [{:id=>1, :name=>"Shoes"}, {:id=>2, :name=>"Clothing"}, {:id=>4, :name=>"Tools"}, {:id=>5, :name=>"Home"}]
got: [{:id=>1, :name=>"Shoes"}, {:id=>2, :name=>"Clothing"}, {:id=>3, :name=>"Jewelry"}, {:id=>4, :name=>"Tools"}, {:id=>5, :name=>"Home"}]

(compared using ==)

Diff:
@@ -1,5 +1,6 @@
[{:id=>1, :name=>"Shoes"},
{:id=>2, :name=>"Clothing"},

• {:id=>3, :name=>"Jewelry"},
  {:id=>4, :name=>"Tools"},
  {:id=>5, :name=>"Home"}]