```ruby
require "spec_helper"
require "dog"

describe Dog do
  it "is named 'Pochi'" do
    dog = Dog.new
    expect(dog.name).to eq 'Pochi'
  end

  xit "has fangs" do
  end

  xit "is alived" do
  end
end

```

Add tests to be failed
user
```ruby
require "spec_helper"
require "dog"

describe Dog do
  it "is named 'Pochi'" do
    dog = Dog.new
    expect(dog.name).to eq 'Pochi'
  end

  it "has fangs" do
    dog = Dog.new
    expect(dog.fangs).to eq 2
  end

  it "is alived" do
    dog = Dog.new
    expect(dog).to be_alived
  end
end

```
assistant