diff --git a/.drone.env b/.drone.env
index 895c99c061..7e845b6794 100644
--- a/.drone.env
+++ b/.drone.env
@@ -1,5 +1,5 @@
 # The test runner source for API tests
-CORE_COMMITID=09d584745d6cbd6aebc557d9b78f6130e9b99e2b
+CORE_COMMITID=88dc1fc01b8afd254d59cbface6ef48670848e22
 CORE_BRANCH=master
 
 # The test runner source for UI tests
diff --git a/tests/acceptance/expected-failures-API-on-OCIS-storage.md b/tests/acceptance/expected-failures-API-on-OCIS-storage.md
index f566358786..caf82fa292 100644
--- a/tests/acceptance/expected-failures-API-on-OCIS-storage.md
+++ b/tests/acceptance/expected-failures-API-on-OCIS-storage.md
@@ -34,6 +34,8 @@ _ocdav: double check the webdav property parsing when custom namespaces are used
 -    [apiVersions/fileVersionAuthor.feature:101](https://github.com/owncloud/core/blob/master/tests/acceptance/features/apiVersions/fileVersionAuthor.feature:#L101)
 -    [apiVersions/fileVersionAuthor.feature:128](https://github.com/owncloud/core/blob/master/tests/acceptance/features/apiVersions/fileVersionAuthor.feature:#L128)
 -    [apiVersions/fileVersionAuthor.feature:155](https://github.com/owncloud/core/blob/master/tests/acceptance/features/apiVersions/fileVersionAuthor.feature:#L155)
+-    [apiVersions/fileVersionAuthor.feature:180](https://github.com/owncloud/core/blob/master/tests/acceptance/features/apiVersions/fileVersionAuthor.feature:#L180)
+-    [apiVersions/fileVersionAuthor.feature:220](https://github.com/owncloud/core/blob/master/tests/acceptance/features/apiVersions/fileVersionAuthor.feature:#L220)
 
 ### Sync
 Synchronization features like etag propagation, setting mtime and locking files