Koofr services kept hitting IO timeout

https://github.com/apache/opendal/actions/runs/8435435988/job/23100904009

```shell
---- behavior::test_stat_nested_parent_dir ----
test panicked: write must succeed: Unexpected (persistent) at Writer::close => io operation timeout reached

Context:
timeout: 10
```

The test service of koofr has been disabled, please enable it back while this issue has been addressed.

Start with the linked GitHub Actions run and the behavior::test_stat_nested_parent_dir failure, focusing on the Koofr test service and its 10-second IO timeout. Determine why the write persistently times out, then verify that the Koofr service can be enabled again and the test completes successfully.

Written by the indexing model from the issue text.