```ruby
require_relative 'helper'

describe ConceptQL::Query do
  it "should handle errors in the root operator" do
    query(
      :foo
    ).annotate.must_equal(
      ["invalid", {:annotation=>{:counts=>{:invalid=>{:n=>0, :rows=>0}}, :errors=>[["invalid root operator"]]}}]
    )
  end
end

```

Fix test for invalid root operator error detail
user
```ruby
require_relative 'helper'

describe ConceptQL::Query do
  it "should handle errors in the root operator" do
    query(
      :foo
    ).annotate.must_equal(
      ["invalid", {:annotation=>{:counts=>{:invalid=>{:n=>0, :rows=>0}}, :errors=>[["invalid root operator", ":foo"]]}}]
    )
  end
end

```
assistant