```ruby
require './hero'

describe Hero do
  it "has capitalized name" do
    hero = Hero.new 'mike'
    expect(hero.name).to eq 'Mike'
  end

  it "can power up" do
    hero = Hero.new 'mike'
    expect(hero.power_up).to eq 110
  end

end```

Add tests for all methods
user
```ruby
require './hero'

describe Hero do
  it "has capitalized name" do
    hero = Hero.new 'mike'
    expect(hero.name).to eq 'Mike'
  end

  it "can power up" do
    hero = Hero.new 'mike'
    expect(hero.power_up).to eq 110
  end

  it "can power down" do
    hero = Hero.new 'mike'
    expect(hero.power_down).to eq 90
  end

  it "displays full hero info" do
    hero = Hero.new 'mike', 25
    expect(hero.hero_info).to eq "Mike has a health of 25"
  end

end```
assistant