[AAE-4863] Fixed the async and done warning due to new version of Karma (#6938)
[AAE-4863] Fixed the async and done warning due to new version of Karma (#6938)

* [AAE-4863] Fixed the async and done warning due to new version of Karma

* Fixed lint error
Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components