Automatic merge from submit-queue (batch tested with PRs 52442, 52247, 46542, 52363, 51781)

Add some test case in default_test.go

**What this PR does / why we need it**:

Add some test case in default_test.go

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #


**Release note**:

```release-note
NONE
```