Automatic merge from submit-queue (batch tested with PRs 45653, 45719, 45729, 45730, 44250)

get pod -o wide: add unittest for nodeName

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

get pod -o wide: add unittest for nodeName

In case that when nodeName is empty, we can get correct info.

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```