rubyspec/rubyspec — pull request #279 by robin850 (2014-07-16 19:19:25+00:00)
Title: Add specs for Module#singleton_class?

Hello,

This pull request simply adds specs for the `Module#singleton_class?` method that has been introduced in Ruby 2.1 (see [feature 7609](https://bugs.ruby-lang.org/issues/7609)).

Have a nice day!