upgrade rspec/rspec-rails to 2.99
Convert specs to RSpec 2.99.0.beta2 syntax with Transpec

This conversion is done by Transpec 1.13.1 with the following command:
    transpec

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

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

* 19 conversions
    from: it { should ... }
      to: it { is_expected.to ... }

* 10 conversions
    from: =~ [1, 2]
      to: match_array([1, 2])

* 2 conversions
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 1 conversion
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)