Convert specs to RSpec 2.99.1 syntax with Transpec

This conversion is done by Transpec 2.3.1 with the following command:
    transpec

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

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

* 33 conversions
    from: be_false
      to: be_falsey

* 19 conversions
    from: be_true
      to: be_truthy

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

* 3 conversions
    from: lambda { }.should
      to: expect { }.to

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

For more details: https://github.com/yujinakayama/transpec#supported-conversions
update rspec mocks for cucumber