Gemfile in bugsnag-5.5.0 vs Gemfile in bugsnag-6.0.0

@@ -1,20 +1,40 @@
 source "https://rubygems.org"
+
+group :test, optional: true do
+    gem 'rake', '~> 10.1.1'
+    gem 'rspec'
+    gem 'rdoc'
+    gem 'pry'
+    gem 'addressable', '~> 2.3.8'
+    gem 'delayed_job' if RUBY_VERSION >= '2.2.2'
+    gem 'webmock', RUBY_VERSION <= '1.9.3' ? '2.3.2': '>2.3.2'
+end
+
+group :coverage, optional: true do
+    gem 'simplecov'
+    gem 'coveralls'
+end
+
+group :sidekiq, optional: true do
+    gem 'sidekiq', '~> 5.0.4'
+end
+
 gemspec