```ruby
require 'spec_helper'

describe Survey do
  it "gives access to neighborhood data" do
    Survey.questions_for("neighborhood")[0].should eq("public_safety")
  end
=begin
  before(:each) do
    @s = Survey.new("neighborhood")
  end
  it "makes accessible questions for neighborhood survey" do
    @s.questions[0].should eq("public_safety")
  end
  it "allows editing of instance array of questions" do
    @s.questions[0] = "wat"
    @s.questions[0].should eq("wat")
  end
=end
end
```

Add spec for survey question lookup
user
```ruby
require 'spec_helper'

describe Survey do
  describe '.questions_for' do
    context 'when the survey is by neighborhood' do
      it 'returns a list of question types' do
        expect(Survey.questions_for('neighborhood')).to eq(%w[public_safety property_values neighborhood_comments])
      end
    end

    context 'when the survey is by property' do
      it 'returns a list of question types' do
        expect(Survey.questions_for('property')).to eq(%w[property_outcome property_comments])
      end
    end

    context 'when the survey is an i-wish-there-was' do
      it 'returns a question type' do
        expect(Survey.questions_for('iwtw')).to eq(%w[i_wish_comment])
      end
    end
  end
end
```
assistant