```ruby
require './hero'

describe Hero do 
  it "has a capitalized name" do 
    hero = Hero.new 'mike'

    expect(hero.name).to eq 'Mike' #hero.name == 'Mike'
  end
end```

Add test for power up
user
```ruby
require './hero'

describe Hero do 
  it "has a capitalized name" do 
    hero = Hero.new 'mike'

    expect(hero.name).to eq 'Mike' #hero.name == 'Mike'
  end

  it "can power up" do 
    hero = Hero.new 'mike'

    expect(hero.power_up).to eq 110
  end
end```
assistant