```ruby
RACK_ENV = ENV['RACK_ENV'] || 'test'

if ENV['CODECLIMATE_REPO_TOKEN']
  require 'codeclimate-test-reporter'
  CodeClimate::TestReporter.start
end

# FIXME: This should go to boot, probably with load_path
# and APP_ROOT constant
require File.expand_path('../config/boot', File.dirname(__FILE__))

require 'fabrication'
require 'database_cleaner'

# Requires supporting ruby files with custom matchers and macros, etc,
# in spec/support/ and its subdirectories.
# Dir["spec/support/**/*.rb"].each { |f| require f }

RSpec.configure do |config|
  config.order = 'random'

  config.before(:suite) do
    DatabaseCleaner.strategy = :transaction
    DatabaseCleaner.clean_with(:truncation)
  end

  config.around(:each) do |example|
    DatabaseCleaner.cleaning do
      example.run
    end
  end
end

```

Set default connection for DatabaseCleaner
user
```ruby
RACK_ENV = ENV['RACK_ENV'] || 'test'

if ENV['CODECLIMATE_REPO_TOKEN']
  require 'codeclimate-test-reporter'
  CodeClimate::TestReporter.start
end

# FIXME: This should go to boot, probably with load_path
# and APP_ROOT constant
require File.expand_path('../config/boot', File.dirname(__FILE__))

require 'fabrication'
require 'database_cleaner'

# Requires supporting ruby files with custom matchers and macros, etc,
# in spec/support/ and its subdirectories.
# Dir["spec/support/**/*.rb"].each { |f| require f }

RSpec.configure do |config|
  config.order = 'random'

  config.before(:suite) do
    DatabaseCleaner[:sequel, {:connection => DB}]
    DatabaseCleaner.strategy = :transaction
    DatabaseCleaner.clean_with(:truncation)
  end

  config.around(:each) do |example|
    DatabaseCleaner.cleaning do
      example.run
    end
  end
end

```
assistant