Redmineのpluginを開発した際にrspecを使って自動テストがしたい

group :development, :test do
    gem 'pry-rails'  
    gem 'pry-doc'    
    gem 'pry-byebug'
    gem 'pry-stack_explorer'
    gem 'rspec-rails'
    gem 'factory_girl_rails'
end

group :test do
    gem 'minitest'
    gem 'rails-dom-testing'
    gem 'mocha'
    gem 'simplecov'
    gem 'capybara'
    gem 'poltergeist'
    gem 'selenium-webdriver'
    gem 'database_cleaner'
    gem 'faker'
    gem 'database_cleaner'
    gem 'launchy'
    gem 'timecop'
end

ENV['RAILS_ENV'] ||= 'test'
require File.expand_path('../../config/environment', __FILE__)
require 'rspec/rails'

Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }

ActiveRecord::Migration.maintain_test_schema!

RSpec.configure do |config|
    config.fixture_path = "#{::Rails.root}/spec/fixtures"
    config.use_transactional_fixtures = true
    config.infer_base_class_for_anonymous_controllers = false
    config.order = 'random'
    RSpec.configure do |config|
        config.include FactoryGirl::Syntax::Methods
    end
end

require File.expand_path(File.dirname(__FILE__) + '/../../../spec/spec_helper')
require File.expand_path('../../../../config/environment', __FILE__)
require 'rspec/rails'
require 'capybara'
require 'capybara/rspec'
require 'capybara/poltergeist'
require 'selenium-webdriver'

Capybara.javascript_driver = :poltergeist
Capybara.current_driver = Capybara.javascript_driver

RSpec.configure do |config|
    config.use_transactional_fixtures = false
    config.infer_spec_type_from_file_location!
    config.include FactoryGirl::Syntax::Methods
    FactoryGirl.definition_file_paths = [File.expand_path('../factories', __FILE__)]
    FactoryGirl.find_definitions
    config.before(:all) do
        FactoryGirl.reload
    end

    config.before(:each) do
      DatabaseCleaner.strategy = :truncation
    end

    config.before(:each) do
      DatabaseCleaner.start
    end

    config.after(:each) do
      DatabaseCleaner.clean
    end
end
Capybara.register_driver :poltergeist do |app|
    Capybara::Poltergeist::Driver.new(app, inspector: true)
end

let!(:user) { FactoryGirl.create(:test_admin) }
before do
    visit home_path
    find('.login').click
    @user = User.find_by_login(user.login)
    User.find_by_login(user.login).update_attribute(:password, 'password')
    User.find_by_login(user.login).update_attribute(:must_change_passwd, false)
    fill_in 'password', with: 'password'
    fill_in 'username', with: @user.login
    find('[name=login]').click
end