```ruby
require 'spec_helper'

describe Henson::DSL do
  context "self.evaluate" do
    let(:instance) { Henson::DSL.new }
    it "creates a new instance and calls evaluate" do
      Henson::DSL.expects(:initialize).returns(instance)
      instance.expects(:evaluate).with('spec/fixtures/Puppetfile')
      Henson::DSL.evaluate('spec/fixtures/Puppetfile')
    end
  end

  context "evaluate" do
    it "raises PuppetfileError if a syntax error is encountered" do
      lambda {
        Henson::DSL.evaluate('spec/fixtures/Puppetfile.with_syntax_error')
      }.should raise_error(
        Henson::PuppetfileError,
        /Puppetfile syntax error:/
      )
    end
    it "is defined" do
      lambda {
        Henson::DSL.new.evaluate('foobar')
      }.should_not raise_error(NoMethodError)
    end
  end
end```

Remove dummy dsl spec for evaluator
user
```ruby
require 'spec_helper'

describe Henson::DSL do
  context "self.evaluate" do
    let(:instance) { Henson::DSL.new }
    it "creates a new instance and calls evaluate" do
      Henson::DSL.expects(:initialize).returns(instance)
      instance.expects(:evaluate).with('spec/fixtures/Puppetfile')
      Henson::DSL.evaluate('spec/fixtures/Puppetfile')
    end
  end

  context "evaluate" do
    it "raises PuppetfileError if a syntax error is encountered" do
      lambda {
        Henson::DSL.evaluate('spec/fixtures/Puppetfile.with_syntax_error')
      }.should raise_error(
        Henson::PuppetfileError,
        /Puppetfile syntax error:/
      )
    end
  end
end```
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