add RVM config files to .gitignore
Convert specs to RSpec 3.0.3 syntax with Transpec

This conversion is done by Transpec 2.3.6 with the following command:
    transpec

* 133 conversions
    from: obj.should
      to: expect(obj).to

* 90 conversions
    from: == expected
      to: eq(expected)

* 4 conversions
    from: mock('something')
      to: double('something')

* 2 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

* 1 conversion
    from: lambda { }.should
      to: expect { }.to

* 1 conversion
    from: obj.should_not
      to: expect(obj).not_to

* 1 conversion
    from: stub('something')
      to: double('something')

For more details: https://github.com/yujinakayama/transpec#supported-conversions
add Pry to the Gemfile
don't rely on attribute matching via Capybara

it boggles the mind why the test below this one still works…