message: Add role alert to the notification container
diff: @@ -59,7 +59,7 @@ export default class NotificationComp extends React.Component<{}, IState> {
  const bgColor = { backgroundColor: colorHex || '#ffffff' };
  return (
  - <div className='container' style={bgColor} onClick={this.eventHandlers.onClick(id)}>
  + <div className='container' role='alert' style={bgColor} onClick={this.eventHandlers.onClick(id)}>
  <div className='logo-container'>
  <img className={`logo ${theme}`} alt='symphony logo'/>
  </div>
  