Convert specs to RSpec 3.1.6 syntax with Transpec

This conversion is done by Transpec 2.3.7 with the following command:
    transpec

* 2 conversions
    from: Klass.any_instance.stub(:message => value)
      to: allow_any_instance_of(Klass).to receive_messages(:message => value)

* 1 conversion
    from: failure_message_for_should { }
      to: failure_message { }

* 1 conversion
    from: failure_message_for_should_not { }
      to: failure_message_when_negated { }

For more details: https://github.com/yujinakayama/transpec#supported-conversions
Update selenium-webdriver