```ruby
require 'spec_helper'

describe TicTacToe do
  it 'has a version number' do
    expect(TicTacToe::VERSION).not_to be nil
  end

  it 'has a board' do
    game = TicTacToe::Board.new
    expect(game).to be_an_instance_of TicTacToe::Board
  end

  describe TicTacToe::Board do

    before :each do
      @game = TicTacToe::Board.new
    end

    it 'initially has 9 empty positions' do
      (1..3).each do |x|
        (1..3).each do |y|
          expect(@game.pos [x,y]).to eq(" ")
        end
      end

    end
  end
end
```

Add failing move method test
user
```ruby
require 'spec_helper'

describe TicTacToe do
  it 'has a version number' do
    expect(TicTacToe::VERSION).not_to be nil
  end

  it 'has a board' do
    game = TicTacToe::Board.new
    expect(game).to be_an_instance_of TicTacToe::Board
  end

  describe TicTacToe::Board do

    before :each do
      @game = TicTacToe::Board.new
    end

    it 'initially has 9 empty positions' do
      (1..3).each do |x|
        (1..3).each do |y|
          expect(@game.pos [x,y]).to eq(" ")
        end
      end

    end

    it 'can make moves' do
      @game.move [1,1], "X"
    end
  end
end
```
assistant