```ruby
require 'spec_helper'

describe Mutant::Mutator::Node::Literal, 'float' do
  let(:source) { '10.0' }

  let(:mutations) do
    mutations = []
    mutations << 'nil'
    mutations << '0.0'
    mutations << '1.0'
    mutations << random_float.to_s
    mutations << '0.0/0.0'
    mutations << '1.0/0.0'
    mutations << '(-1.0 / 0.0)'
    mutations << '-10.0'
  end

  let(:random_float) { 7.123 }

  before do
    Mutant::Random.stub(:float => random_float)
  end

  it_should_behave_like 'a mutator'
end
```

Adjust expected mutation to unparser change
user
```ruby
require 'spec_helper'

describe Mutant::Mutator::Node::Literal, 'float' do
  let(:source) { '10.0' }

  let(:mutations) do
    mutations = []
    mutations << 'nil'
    mutations << '0.0'
    mutations << '1.0'
    mutations << random_float.to_s
    mutations << '(0.0 / 0.0)'
    mutations << '(1.0 / 0.0)'
    mutations << '(-1.0 / 0.0)'
    mutations << '-10.0'
  end

  let(:random_float) { 7.123 }

  before do
    Mutant::Random.stub(:float => random_float)
  end

  it_should_behave_like 'a mutator'
end
```
assistant