add trocla gem for integration tests

Author: kares

src/test/integration/Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'httpclient', :require => false
+gem 'trocla', '~> 0.2.3', :require => false
 
 group :development do
   gem 'rake', :require => nil