Unfreeze specs collection

Rakefile

@@ -2,38 +2,38 @@
 
 require 'bundler/gem_tasks'
 
-SPEC_RESULTS = {}.freeze
+spec_results = {}
 
 desc 'Run all specs'
 task :spec do
   %w[core repository changeset rom].map do |name|
     Rake::Task["spec:#{name}"].execute
   end
 
-  if SPEC_RESULTS.values.any? { |v| v.equal?(false) }
+  if spec_results.values.any? { |v| v.equal?(false) }
     abort("\nspecs failed\n")
   end
 end
 
 namespace :spec do
   desc 'Run rom specs'
   task :rom do
-    SPEC_RESULTS[:rom] = system('bundle exec rspec spec/**/*_spec.rb')
+    spec_results[:rom] = system('bundle exec rspec spec/**/*_spec.rb')
   end
 
   desc 'Run core specs'
   task :core do
-    SPEC_RESULTS[:core] = system('cd core && bundle exec rake spec')
+    spec_results[:core] = system('cd core && bundle exec rake spec')
   end
 
   desc 'Run repository specs'
   task :repository do
-    SPEC_RESULTS[:repository] = system('cd repository && bundle exec rake spec')
+    spec_results[:repository] = system('cd repository && bundle exec rake spec')
   end
 
   desc 'Run changeset specs'
   task :changeset do
-    SPEC_RESULTS[:changeset] = system('cd changeset && bundle exec rake spec')
+    spec_results[:changeset] = system('cd changeset && bundle exec rake spec')
   end
 end