✅ Update chromedriver-helper to webdriver

[ci skip]

Author: BookOfGreg

.travis.yml

@@ -57,5 +57,4 @@ before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -y -qq yarn
   - gem update --system
-  - gem install chromedriver-helper
-  - chromedriver-update
+  - gem install webdrivers

react-rails.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'guard-minitest'
   s.add_development_dependency 'jbuilder'
   s.add_development_dependency 'listen', '~> 3.0.0' # support Ruby 2.1
-  s.add_development_dependency 'chromedriver-helper'
+  s.add_development_dependency 'webdrivers'
   s.add_development_dependency 'capybara'
   s.add_development_dependency 'selenium-webdriver'
   s.add_development_dependency 'test-unit', '~> 2.5'