Simplify rescue spec.
Simplify rescue spec.

The more refined expectation isn't worth the additional complexity introduced into a 'language' spec.

ruby/spec,eregon/rubyspec,nobu/rubyspec,eregon/rubyspec,ruby/spec,nobu/rubyspec,ruby/rubyspec,ruby/spec,ruby/rubyspec,eregon/rubyspec,nobu/rubyspec