Gemfile in instana-0.1.0 vs Gemfile in instana-0.8.beta1

@@ -1,13 +1,12 @@
 source 'https://rubygems.org'
 
 group :development, :test do
   gem 'rake'
   gem 'minitest'
-  gem 'minitest-reporters', '< 1.0.18'
+  gem 'minitest-reporters'
   gem 'minitest-debugger', :require => false
-  gem 'rack-test'
 end
 
 group :development do
   gem 'ruby-debug',   :platforms => [:mri_18, :jruby]
   gem 'debugger',     :platform  =>  :mri_19
@@ -17,8 +16,12 @@
     gem 'pry-byebug', :platforms => [:mri_20, :mri_21, :mri_22, :mri_23]
   else
     gem 'pry', '0.9.12.4'
   end
 end
+
+gem 'get_process_mem'
+gem 'sys-proctable'
+gem 'timers'
 
 # instana.gemspec
 gemspec