diff --git a/tests/acceptance/features/apiSharingNg/enableDisableShareSync.feature b/tests/acceptance/features/apiSharingNg/enableDisableShareSync.feature
index 27f9cd37db..10944f5d41 100644
--- a/tests/acceptance/features/apiSharingNg/enableDisableShareSync.feature
+++ b/tests/acceptance/features/apiSharingNg/enableDisableShareSync.feature
@@ -641,3 +641,116 @@ Feature:  enable or disable sync of incoming shares
         }
       }
       """
+
+  @issue-9001
+  Scenario: try to disable share sync of a non-existent resource
+    When user "Brian" tries to disable share sync of a resource "nonexistent" using the Graph API
+    Then the HTTP status code should be "404"
+    And the JSON data of the response should match
+      """
+      {
+        "type": "object",
+        "required": ["error"],
+        "properties": {
+          "error": {
+            "type": "object",
+            "required": [
+              "code",
+              "innererror",
+              "message"
+            ],
+            "properties": {
+              "code" : {
+                "const": "itemNotFound"
+              },
+              "innererror" : {
+                "type": "object",
+                "required": [
+                  "date",
+                  "request-id"
+                ]
+              },
+              "message" : {
+                "const": "error getting received share"
+              }
+            }
+          }
+        }
+      }
+      """
+
+
+  Scenario: try to disable share sync with empty resource id
+    When user "Brian" tries to disable share sync of a resource "" using the Graph API
+    Then the HTTP status code should be "400"
+    And the JSON data of the response should match
+      """
+      {
+        "type": "object",
+        "required": ["error"],
+        "properties": {
+          "error": {
+            "type": "object",
+            "required": [
+              "code",
+              "innererror",
+              "message"
+            ],
+            "properties": {
+              "code" : {
+                "const": "invalidRequest"
+              },
+              "innererror" : {
+                "type": "object",
+                "required": [
+                  "date",
+                  "request-id"
+                ]
+              },
+              "message" : {
+                "const": "invalid driveID or itemID"
+              }
+            }
+          }
+        }
+      }
+      """
+
+
+  Scenario: try to disable share sync with not shared resource id
+    Given user "Alice" has uploaded file with content "some data" to "/fileNotShared.txt"
+    And we save it into "FILEID"
+    When user "Brian" tries to disable share sync of a resource "<<FILEID>>" using the Graph API
+    Then the HTTP status code should be "404"
+    And the JSON data of the response should match
+      """
+      {
+        "type": "object",
+        "required": ["error"],
+        "properties": {
+          "error": {
+            "type": "object",
+            "required": [
+              "code",
+              "innererror",
+              "message"
+            ],
+            "properties": {
+              "code" : {
+                "const": "itemNotFound"
+              },
+              "innererror" : {
+                "type": "object",
+                "required": [
+                  "date",
+                  "request-id"
+                ]
+              },
+              "message" : {
+                "const": "error getting received share"
+              }
+            }
+          }
+        }
+      }
+      """
diff --git a/tests/acceptance/features/bootstrap/SharingNgContext.php b/tests/acceptance/features/bootstrap/SharingNgContext.php
index 01519c4837..f3ab0a013a 100644
--- a/tests/acceptance/features/bootstrap/SharingNgContext.php
+++ b/tests/acceptance/features/bootstrap/SharingNgContext.php
@@ -1188,6 +1188,30 @@ class SharingNgContext implements Context {
 		$this->featureContext->setResponse($response);
 	}
 
+	/**
+	 * @When user :user tries to disable share sync of a resource :resource using the Graph API
+	 *
+	 * @param string $user
+	 * @param string $resource
+	 *
+	 * @return void
+	 * @throws Exception|GuzzleException
+	 */
+	public function userTriesToDisableShareSyncOfResourceUsingTheGraphApi(string $user, string $resource):void {
+		$shareSpaceId = FeatureContext::SHARES_SPACE_ID;
+		$shareID = ($resource === 'nonexistent') ? WebDavHelper::generateUUIDv4() : $resource;
+		$itemId = $shareSpaceId . '!' . $shareID;
+		$response =  GraphHelper::disableShareSync(
+			$this->featureContext->getBaseUrl(),
+			$this->featureContext->getStepLineRef(),
+			$this->featureContext->getActualUsername($user),
+			$this->featureContext->getPasswordForUser($user),
+			$itemId,
+			$shareSpaceId
+		);
+		$this->featureContext->setResponse($response);
+	}
+
 	/**
 	 * @Then /^user "([^"]*)" should have sync (enabled|disabled) for share "([^"]*)"$/
 	 *