```ruby
Teaspoon.configure do |config|
  config.mount_at = "/teaspoon"
  config.root = Spree::Backend::Engine.root
  config.asset_paths = ["spec/javascripts", "spec/javascripts/stylesheets"]
  config.fixture_paths = ["spec/javascripts/fixtures"]

  config.suite do |suite|
    suite.use_framework :mocha, "2.3.3"
    suite.matcher = "{spec/javascripts,app/assets}/**/*_spec.{js,js.coffee,coffee}"
    suite.helper = "spec_helper"
    suite.boot_partial = "/boot"
    suite.expand_assets = true
  end
end
```

Make sure dummy is required inside teaspoon
user
```ruby
ENV['RAILS_ENV'] = 'test'
require File.expand_path("../dummy/config/environment", __FILE__)

Teaspoon.configure do |config|
  config.mount_at = "/teaspoon"
  config.root = Spree::Backend::Engine.root
  config.asset_paths = ["spec/javascripts", "spec/javascripts/stylesheets"]
  config.fixture_paths = ["spec/javascripts/fixtures"]

  config.suite do |suite|
    suite.use_framework :mocha, "2.3.3"
    suite.matcher = "{spec/javascripts,app/assets}/**/*_spec.{js,js.coffee,coffee}"
    suite.helper = "spec_helper"
    suite.boot_partial = "/boot"
    suite.expand_assets = true
  end
end
```
assistant