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Error in return value should be tested and fix Description Info in e2e test
**What this PR does / why we need it**:
1. Error in return value should be tested
2. fix Description Info
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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