kitchen-docker.gemspec in kitchen-docker-2.4.0 vs kitchen-docker.gemspec in kitchen-docker-2.5.0

@@ -21,9 +21,19 @@
   spec.add_dependency 'test-kitchen', '>= 1.0.0'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'
 
+  # Style checker gems.
   spec.add_development_dependency 'cane'
   spec.add_development_dependency 'tailor'
   spec.add_development_dependency 'countloc'
+
+  # Unit testing gems.
+  spec.add_development_dependency 'rspec', '~> 3.2'
+  spec.add_development_dependency 'rspec-its', '~> 1.2'
+  spec.add_development_dependency 'fuubar', '~> 2.0'
+  spec.add_development_dependency 'simplecov', '~> 0.9'
+
+  # Integration testing gems.
+  spec.add_development_dependency 'kitchen-inspec', '~> 0.14'
 end