diff --git a/tests/acceptance/features/apiSpaces/uploadSpaces.feature b/tests/acceptance/features/apiSpaces/uploadSpaces.feature
index 2b890b10bc..dc2451fafb 100644
--- a/tests/acceptance/features/apiSpaces/uploadSpaces.feature
+++ b/tests/acceptance/features/apiSpaces/uploadSpaces.feature
@@ -1,4 +1,4 @@
-@api 
+@api
 Feature: Upload files into a space
   As a user
   I want to be able to create folders and files in the space
@@ -75,3 +75,18 @@ Feature: Upload files into a space
     And for user "Alice" the space "Project Ceres" should not contain these entries:
       | forAlice |
       | test.txt |
+
+
+  Scenario: user cannot create folder with an existing name
+    Given user "Alice" has created a folder "NewFolder" in space "Project Ceres"
+    When user "Alice" creates a folder "NewFolder" in space "Project Ceres" using the WebDav Api
+    Then the HTTP status code should be "405"
+
+
+  Scenario Outline: user cannot create subfolder in a nonexistent folder
+    When user "Alice" tries to create subfolder "<path>" in a nonexistent folder of the space "Project Ceres" using the WebDav Api
+    Then the HTTP status code should be "409"
+    Examples:
+      | path        |
+      | foo/bar     |
+      | foo/bar/baz |
diff --git a/tests/acceptance/features/bootstrap/SpacesContext.php b/tests/acceptance/features/bootstrap/SpacesContext.php
index 3b7c2d09d0..4608d43f05 100644
--- a/tests/acceptance/features/bootstrap/SpacesContext.php
+++ b/tests/acceptance/features/bootstrap/SpacesContext.php
@@ -1139,6 +1139,25 @@ class SpacesContext implements Context {
 		}
 	}
 
+	/**
+	 * @When /^user "([^"]*)" tries to create subfolder "([^"]*)" in a nonexistent folder of the space "([^"]*)" using the WebDav Api$/
+	 *
+	 * @param string $user
+	 * @param string $subfolder
+	 * @param string $spaceName
+	 *
+	 * @return void
+	 *
+	 * @throws GuzzleException
+	 */
+	public function theUserTriesToCreateASubFolderUsingTheGraphApi(
+		string $user,
+		string $subfolder,
+		string $spaceName
+	): void {
+		$this->theUserCreatesAFolderToAnotherOwnerSpaceUsingTheGraphApi($user, $subfolder, $spaceName);
+	}
+
 	/**
 	 * @Given /^user "([^"]*)" has created a (?:folder|subfolder) "([^"]*)" in space "([^"]*)"$/
 	 *