rspec/rspec-mocks — pull request #204 by sanemat (2012-12-10 17:22:29+00:00)
Title: Use Kernel#inspect instead of #to_s

Kernel#inspect does not call #to_s anymore, on Ruby2.0.0

```
klass = Class.new do
def self.to_s
"MyClass"
end
end

Ruby1.9.3
=> MyClass

Ruby2.0.0
=> #
```