Add gemfile for Ruby2.2

Signed-off-by: Kenji Okimoto <okimoto@clear-code.com>

.travis.yml

@@ -12,14 +12,24 @@ rvm:
   - 2.3.7
   - 2.2.10
 
+gemfile:
+  - Gemfile
+  - gemfiles/ruby2.2.gemfile
+
+matrix:
+  exclude:
+    - rvm: 2.2.10
+      gemfile: Gemfile
+    - rvm: 2.5.1
+      gemfile: gemfiles/ruby2.2.gemfile
+    - rvm: 2.4.4
+      gemfile: gemfiles/ruby2.2.gemfile
+    - rvm: 2.3.7
+      gemfile: gemfiles/ruby2.2.gemfile
+
 before_install:
   - google-chrome-stable --version
   - wget http://chromedriver.storage.googleapis.com/2.35/chromedriver_linux64.zip
   - unzip chromedriver_linux64.zip
   - sudo mv chromedriver /usr/local/bin/chromedriver
-
-install:
-  - bundle -v
-  - gem i bundler
   - sudo sh -c 'curl -L https://toolbelt.treasuredata.com/sh/install-ubuntu-trusty-td-agent3.sh | sh'
-  - bin/setup

gemfiles/ruby2.2.gemfile

@@ -0,0 +1,28 @@
+source "https://rubygems.org"
+
+group :development, :test do
+  gem "rake"
+  gem "pry"
+  gem "pry-rails"
+  gem "rspec-rails", "~> 3.0"
+end
+
+group :development do
+  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'i18n_generators', '2.1.1'
+  gem 'better_errors'
+  gem 'web-console', '~> 3.6'
+  gem 'binding_of_caller'
+end
+
+group :test do
+  gem "factory_bot_rails"
+  gem "capybara", "~> 3.1.1"
+  gem "capybara-screenshot"
+  gem "simplecov", "~> 0.16.1", require: false
+  gem "webmock", "~> 3.3.0"
+  gem "timecop"
+  gem "selenium-webdriver", "~> 3.12.0"
+end
+
+gemspec path: ".."