Failure/Error: it { should respond_to(:bar) }
ArgumentError:
  wrong number of arguments (0 for 1)
# org/jruby/RubyBasicObject.java:1730:in `instance_eval'
# ./spec/models/foo_spec.rb:19:in `(root)'
# org/jruby/RubyBasicObject.java:1730:in `instance_eval'
# org/jruby/RubyArray.java:2339:in `collect'
# org/jruby/RubyArray.java:2339:in `collect'
# org/jruby/RubyArray.java:2339:in `collect'