Automatic merge from submit-queue (batch tested with PRs 41937, 41151, 42092, 40269, 42135)

Improve code coverage for scheduler/algorithmprovider/defaults

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

Improve code coverage for scheduler/algorithmprovider/defaults from #39559

Thanks for your review.
**Special notes for your reviewer**:

**Release note**:

```release-note
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