```ruby
require 'rubygems'
require 'active_support'
require 'active_support/test_case'

ENV['RAILS_ENV'] = 'test'
ENV['RAILS_ROOT'] ||= File.dirname(__FILE__) + '/../../../..'

require 'test/unit'
require File.expand_path(File.join(ENV['RAILS_ROOT'], 'config/environment.rb'))

def load_schema
  config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml'))
  ActiveRecord::Base.logger = Logger.new(File.dirname(__FILE__) + '/debug.log')

  db_adapter = ENV['DB']

  # no db passed, try one of these fine config-free DBs before bombing.
  db_adapter ||=
    begin
      require 'rubygems'
      require 'sqlite'
      'sqlite'
    rescue MissingSourceFile
      begin
        require 'sqlite3'
        'sqlite3'
      rescue MissingSourceFile
      end
    end

  if db_adapter.nil?
    raise 'No DB Adapter selected. Pass the DB= option to pick one, or install Sqlite or Sqlite3.'
  end

  ActiveRecord::Base.establish_connection(config[db_adapter])
  load(File.dirname(__FILE__) + '/schema.rb')
  require File.dirname(__FILE__) + '/../init.rb' #'/../rails/init.rb'
end
```

Load rails first then require anything extra - otherwise we may get errors regarding the expected version of rails (especially if you have multiple and later versions of rails installed via gems).
user
```ruby

ENV['RAILS_ENV'] = 'test'
ENV['RAILS_ROOT'] ||= File.dirname(__FILE__) + '/../../../..'

require 'test/unit'
require File.expand_path(File.join(ENV['RAILS_ROOT'], 'config/environment.rb'))

#require 'rubygems'
require 'active_support'
require 'active_support/test_case'

def load_schema

  config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml'))
  ActiveRecord::Base.logger = Logger.new(File.dirname(__FILE__) + '/debug.log')

  db_adapter = ENV['DB']

  # no db passed, try one of these fine config-free DBs before bombing.
  db_adapter ||=
    begin
      require 'rubygems'
      require 'sqlite'
      'sqlite'
    rescue MissingSourceFile
      begin
        require 'sqlite3'
        'sqlite3'
      rescue MissingSourceFile
      end
    end

  if db_adapter.nil?
    raise 'No DB Adapter selected. Pass the DB= option to pick one, or install Sqlite or Sqlite3.'
  end

  ActiveRecord::Base.establish_connection(config[db_adapter])
  load(File.dirname(__FILE__) + '/schema.rb')
  require File.dirname(__FILE__) + '/../init.rb' #'/../rails/init.rb'
end
```
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