[ADF-4897] delete test-cookie after check (#5164)
[ADF-4897] delete test-cookie after check (#5164)

* remove cookie test after check

* remove cookie test after check

* remove cookie test after check

* remove cookie test after check

* make nullable variable optional in cookie

* make nullable variable optional in cookie

Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components,Alfresco/alfresco-ng2-components