```ruby
Rake::Task[:test].enhance { Rake::Task["konacha:run"].invoke }
```

Add test:js task aliasing konacha:serve
user
```ruby
Rake::Task[:test].enhance { Rake::Task['konacha:run'].invoke }

namespace :test do
  desc 'Test javascript with konacha via browser.'
  task :js => 'konacha:serve' do
  end
end
```
assistant