Testing Modules with MiniTest (and Rails)

foo.rb

module Foo
  def bar
    "baz"
  end
end

foo_test.rb

# Rails choking? Maybe:
# include Foo

describe Foo do
  describe '.bar' do
    it { Foo.bar.must_equal "baz" }
  end
end

# Goal described class inherits from ActiveSupport::TestCase