ActiveRecord, not ActiveModel

Author: stefannibrasil

spec/support/unit/helpers/rails_versions.rb

@@ -12,7 +12,7 @@ def rails_version
     end
 
     def active_record_version
-      Tests::Version.new(::ActiveModel::VERSION::STRING)
+      Tests::Version.new(::ActiveRecord::VERSION::STRING)
     end
 
     def rails_oldest_version_supported