rspec/rspec-expectations — pull request #324 by bayja (2013-09-12 05:49:06+00:00)
Title: rescue Encoding::UndefinedConversionError

matching_encoding method raises Encoding::UndefinedConversionError on my failing spec.
it should not try to encode with source.encoding

````ruby
it 'Encoding::UndefinedConversionError' do
{a: "한글"}.should == {a: "한글2"}
end
````