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NB_TEST_HELPER_LOADED = 'NB_TEST_HELPER_LOADED'
require 'rubygems'
# use the test-unit gem if installed, see IZ 173705
begin
  gem 'test-unit'
  require 'test/unit/version'
  # output info only if this is the first time this file was loaded - currently when 
  # running the rake test task the file gets loaded twice (in separate executions). need to
  # restructure nb_test_runner to avoid this.
  puts "Test-unit version : #{Test::Unit::VERSION} loaded" unless ENV[NB_TEST_HELPER_LOADED]
rescue Gem::LoadError => e
  puts 'Test-unit gem not found, falling back to default test-unit' unless ENV[NB_TEST_HELPER_LOADED]
end

require 'test/unit'
require 'test/unit/testcase'
require 'test/unit/testsuite'
require 'test/unit/autorunner'
require 'test/unit/ui/testrunnermediator'
require 'test/unit/ui/testrunnerutilities'
require File.join(File.expand_path(File.dirname(__FILE__)), "nb_suite_runner")
ENV[NB_TEST_HELPER_LOADED] = 'true'

