```ruby
require 'spec_helper'

# Node 12.x
if property[:name] =~ /v0.12./
  describe command('node -v') do
    its(:stdout) { should contain('v0.12.13') }
  end
end

# Node 4.x
if property[:name] =~ /v4./
  describe command('node -v') do
    its(:stdout) { should contain('v4.4.4') }
  end
end

# Node 6.x
if property[:name] =~ /v6./
  describe command('node -v') do
    its(:stdout) { should contain('v6.1.0') }
  end
end
```

Update Node.js versions for current/future releases
user
```ruby
require 'spec_helper'

# Node 12.x
if property[:name] =~ /v0.12./
  describe command('node -v') do
    its(:stdout) { should contain('v0.12.14') }
  end
end

# Node 4.x
if property[:name] =~ /v4./
  describe command('node -v') do
    its(:stdout) { should contain('v4.4.5') }
  end
end

# Node 6.x
if property[:name] =~ /v6./
  describe command('node -v') do
    its(:stdout) { should contain('v6.2.0') }
  end
end
```
assistant