     it 'should include a single VFL part into the array', ->
       chai.expect(statements.length).to.equal 1
       chai.expect(statements[0]).to.be.an 'array'
+      chai.expect(statements[0].length).to.equal 2
       chai.expect(statements[0][0]).to.equal 'vfl'

    it 'should include a single CCSS part into the array', ->
      chai.expect(statements.length).to.equal 1
      chai.expect(statements[0]).to.be.an 'array'
      chai.expect(statements[0][0]).to.equal 'ccss'

  describe 'with a simple VFL rule', ->

    it 'should include a single CSS part into the array', ->
      chai.expect(statements.length).to.equal 1
      chai.expect(statements[0]).to.be.an 'array'
      chai.expect(statements[0].length).to.equal 2
      chai.expect(statements[0][0]).to.equal 'css'

  describe 'with a simple CCSS rule', ->
