lib/rubocop/cop/rspec/unit_spec_naming.rb in rubocop-rspec-0.18.0 vs lib/rubocop/cop/rspec/unit_spec_naming.rb in rubocop-rspec-0.18.1

@@ -124,10 +124,10 @@
         end
 
         def camel_to_underscore(string)
           string.dup.tap do |result|
             result.gsub!(/([^A-Z])([A-Z]+)/,       '\\1_\\2')
-            result.gsub!(/([A-Z]+)([A-Z][^A-Z]+)/, '\\1_\\2')
+            result.gsub!(/([A-Z]{2,})([A-Z][^A-Z]+)/, '\\1_\\2')
             result.downcase!
           end
         end
 
         def regexp_from_glob(glob)