test: test coverage for trying to delete deleted user

Author: anon-pradip

tests/acceptance/bootstrap/OcmContext.php

@@ -287,6 +287,7 @@ public function theUserWaitsForTokenToExpire(int $number): void {
 
 	/**
 	 * @When user :user deletes federated connection with user :ocmUser using the Graph API
+	 * @When user :user tries to delete federated connection with user :ocmUser using the Graph API
 	 *
 	 * @param string $user
 	 * @param string $ocmUser

tests/acceptance/expected-failures-localAPI-on-OCIS-storage.md

@@ -328,5 +328,8 @@ The expected failures in this file are from features in the owncloud/ocis repo.
 #### [[OCM] Users can invite themselves to their own federated connection](https://github.com/owncloud/ocis/issues/11004)
 - [apiOcm/acceptInvitation.feature:148](https://github.com/owncloud/ocis/blob/master/tests/acceptance/features/apiOcm/acceptInvitation.feature#L148)
 
+#### [OCM. delete-accepted-user endpoint always returns 200](https://github.com/owncloud/ocis/issues/10223)
+- [apiOcm/deleteFederatedConnections.feature:137](https://github.com/owncloud/ocis/blob/master/tests/acceptance/features/apiOcm/deleteFederatedConnections.feature#L137)
+
 Note: always have an empty line at the end of this file.
 The bash script that processes this file requires that the last line has a newline on the end.

tests/acceptance/features/apiOcm/deleteFederatedConnections.feature

@@ -132,3 +132,13 @@ Feature: delete federated connections
         }
       }
       """
+
+  @issue-10223
+  Scenario: federated user tries to delete previously deleted federated connection
+    Given using server "LOCAL"
+    And "Alice" has created the federation share invitation
+    And using server "REMOTE"
+    And "Brian" has accepted invitation
+    And user "Brian" has deleted federated connection with user "Alice"
+    When user "Brian" tries to delete federated connection with user "Alice" using the Graph API
+    Then the HTTP status code should be "404"