D6059: Add a test that adds a notification and closes it

[Aleix Pol Gonzalez]

apol added a comment.


  Now it's just adding a test, it should be a straightforward review...

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D6059

To: apol, #plasma, broulik
Cc: mart, mck182, plasma-devel, ZrenBot, spstarr, progwolff, lesliezhai, 
ali-mohamed, jensreuterberg, abetts, sebas, apol, lukas