inflector.rb

class Inflector
  def self.pluralize(singular)
    (singular == "country") ? "countries" : "#{singular}s"
  end
end

inflector_spec.rb

describe Inflector do
  describe ".pluralize" do
    it "appends an s to the end of the specified singular" do
      Inflector.pluralize("cat").should == "cats"
    end
    
    it "pluralizes country" do
      Spree::Inflector.pluralize("country").should == "countries"
    end
  end
end

super LOL (singular == "country") ? "countries" : "#{singular}s