Method constructor

lib/protocol/errors.js:132–136

(err)

    return 'element not visible';
  }
  constructor (err) {
    super(err || 'An element command could not be completed because the element is ' +
          'not visible on the page.', ElementNotVisibleError.code(),
          ElementNotVisibleError.w3cStatus(), ElementNotVisibleError.error());
  }
}

class InvalidElementStateError extends ProtocolError {