Rails Gemfile with test and guard

Gemfile

# Gemfile - https://git.io/vDW2B
source 'https://rubygems.org'

git_source(:github) do |repo_name|
  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?('/')
  "https://github.com/#{repo_name}.git"
end

gem 'rails', '~> 5.1.4'
gem 'puma', '~> 3.0'

gem 'sqlite3'
#gem 'pg'
#gem 'mysql2'
#gem 'activerecord-sqlserver-adapter'
#gem 'tiny_tds'

gem 'sass-rails', '~> 5.0'
gem 'uglifier', '~> 1.3.0'
#gem 'coffee-rails', '~> 4.2'
gem 'jquery-rails'
gem 'turbolinks', '~> 5'

gem 'jbuilder', '~> 2.5'
# gem 'bcrypt, '~> 3.1.7'

gem 'rails-i18n'
gem 'devise'
# gem 'devise_ldap_authenticatable'
gem 'devise-i18n'
gem 'cancancan'
gem 'haml-rails'
gem 'simple_form'
gem 'semantic-ui-sass'
gem 'autoprefixer-rails'
#gem 'carrierwave'
#gem 'chartkick'

group :development do
  gem 'i18n-tasks', '~> 0.9.11'
  #gem 'i18n_yaml_generator'
  gem 'i18n_generators'
  gem 'dotenv-rails'

  #gem 'capistrano-rails'
  #gem 'capistrano-rvm'
end

group :development, :test do
  #gem 'better_errors'
  #gem 'binding_of_caller'
  # gem 'quiet_assets' #rails < 5 only
  gem 'pry-rails'
  gem 'pry-byebug'
  gem 'web-console'
  #gem 'bullet', '~> 5.0'
  gem 'spring'

  gem 'faker', require: false

  gem 'guard', '>= 2.2.2', :require => false
  gem 'guard-rspec', :require => false
end

group :test do
  gem 'rspec-rails'
  gem 'shoulda-context'
  gem 'shoulda-matchers', '>= 3.0.1'
  gem 'capybara'
  gem 'poltergeist'
  gem 'factory_girl'
  #gem 'simplecov'
end

gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

Guardfile

guard :rspec, :spring => true do
  watch(%r{^app/(.+)\.rb$})                               { |m| "spec/#{m[1]}_test.rb" }
  watch(%r{^app/controllers/application_controller\.rb$}) { "test/controllers" }
  watch(%r{^app/controllers/(.+)_controller\.rb$})        { |m| "spec/integration/#{m[1]}_test.rb" }
  watch(%r{^app/views/(.+)_mailer/.+})                    { |m| "spec/mailers/#{m[1]}_mailer_test.rb" }
  watch(%r{^app/workers/(.+)\.rb$})                       { |m| "test/unit/workers/#{m[1]}_test.rb" }
  watch(%r{^lib/(.+)\.rb$})                               { |m| "test/unit/lib/#{m[1]}_test.rb" }
  watch(%r{^lib/tasks/(.+)\.rake$})                       { |m| "test/unit/lib/tasks/#{m[1]}_test.rb" }
  watch(%r{^test/.+_test\.rb$})
  watch(%r{^test/test_helper\.rb$}) { "test" }
end

test_helper.rb

# test/test_helper.rb
require 'faker'
# Improved Minitest output (color and progress bar)
require "minitest/reporters"
Minitest::Reporters.use!(
  Minitest::Reporters::ProgressReporter.new(detailed_skip: false),
  ENV,
  Minitest.backtrace_filter
)

Faker::Config.locale = 'fr-FR'
# Capybara and poltergeist integration
require "capybara/rails"
require "capybara/poltergeist"
Capybara.javascript_driver = :poltergeist

class ActiveSupport::TestCase
  # fixtures :all
  include FactoryGirl::Syntax::Methods
end

class ActionController::TestCase
  # include Devise::Test::ControllerHelpers
end

class ActionDispatch::IntegrationTest
  include Capybara::DSL
  # include Devise::Test::IntegrationHelpers
end