[tests-only][full-ci]Backport delete notification tests coverage (#6836)

* Add tests for space notification (#6372)

* Add tests for deleting specific notification

tests/acceptance/features/apiNotification/deleteNotification.feature

@@ -0,0 +1,30 @@
+@api
+Feature: Delete notification
+  As a user
+  I want to delete notifications
+  So that I can filter notifications
+
+  Background:
+    Given these users have been created with default attributes and without skeleton files:
+      | username |
+      | Alice    |
+      | Brian    |
+    And user "Alice" has uploaded file with content "other data" to "/textfile1.txt"
+    And user "Alice" has created folder "my_data"
+    And user "Alice" has shared folder "my_data" with user "Brian"
+    And user "Alice" has shared file "/textfile1.txt" with user "Brian"
+
+
+  Scenario: delete a notification
+    When user "Brian" deletes a notification related to resource "my_data" with subject "Resource shared"
+    Then the HTTP status code should be "200"
+    And user "Brian" should have a notification with subject "Resource shared" and message:
+      | message                                    |
+      | Alice Hansen shared textfile1.txt with you |
+    But user "Brian" should not have a notification related to resource "my_data" with subject "Resource shared"
+
+
+  Scenario: delete all notifications
+    When user "Brian" deletes all notifications
+    Then the HTTP status code should be "200"
+    And user "Brian" should not have any notification

tests/acceptance/features/apiNotification/notification.feature

@@ -267,7 +267,6 @@ Feature: Notification
     Examples:
       | language | subject            | message                                          |
       | de       | Neue Freigabe      | Alice Hansen hat textfile1.txt mit Ihnen geteilt |
-      | en       | Resource shared    | Alice Hansen shared textfile1.txt with you       |
       | es       | Recurso compartido | Alice Hansen compartió textfile1.txt contigo     |