```ruby
require 'spec_helper'

describe 'puppet_url_without_modules' do
  let(:msg) { 'puppet:// URL without modules/ found' }

  context 'puppet:// url with modules' do
    let(:code) { "'puppet:///modules/foo'" }

    it 'should not detect any problems' do
      expect(problems).to have(0).problems
    end
  end

  context 'puppet:// url without modules' do
    let(:code) { "'puppet:///foo'" }

    it 'should only detect a single problem' do
      expect(problems).to have(1).problem
    end

    it 'should create a warning' do
      expect(problems).to contain_warning(msg).on_line(1).in_column(1)
    end
  end
  
  context 'double string wrapped puppet:// urls' do
    let(:code) { File.read('spec/fixtures/test/manifests/url_interpolation.pp') }

    it 'should only detect a single problem' do
      expect(problems).to have(4).problem
    end

  end
end
```

Fix the spec name again
user
```ruby
require 'spec_helper'

describe 'puppet_url_without_modules' do
  let(:msg) { 'puppet:// URL without modules/ found' }

  context 'puppet:// url with modules' do
    let(:code) { "'puppet:///modules/foo'" }

    it 'should not detect any problems' do
      expect(problems).to have(0).problems
    end
  end

  context 'puppet:// url without modules' do
    let(:code) { "'puppet:///foo'" }

    it 'should only detect a single problem' do
      expect(problems).to have(1).problem
    end

    it 'should create a warning' do
      expect(problems).to contain_warning(msg).on_line(1).in_column(1)
    end
  end
  
  context 'double string wrapped puppet:// urls' do
    let(:code) { File.read('spec/fixtures/test/manifests/url_interpolation.pp') }

    it 'should detect several problems' do
      expect(problems).to have(4).problem
    end

  end
end
```
assistant