bugfix: fix the output file is used incorrectly & fix the wrong test case name

[xieyanke]

Ⅰ. Describe what this PR did

fix the wrong test case name
fix the output file is used incorrectly

[CLAassistant]

All committers have signed the CLA.

[codecov-io]

Codecov Report

Merging #1258 into master will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master    #1258   +/-   ##
=======================================
  Coverage   15.26%   15.26%           
=======================================
  Files         172      172           
  Lines       10698    10698           
=======================================
  Hits         1633     1633           
  Misses       8945     8945           
  Partials      120      120

Impacted Files	Coverage Δ
pkg/exec/exec.go	0% <0%> (ø)	⬆️

[fuweid]

Hi @xieyanke , thank you for your contribution.

The change is good. But before we merge your change, you squash your multiple commits into one commit and use git commit -s to sign it. More information is here https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md#commit-rules

Thanks a lot.

[HusterWan]

@xieyanke thanks for your PR, here is some advice for create a PR, hope to help you:

1. fresh your local code:

git fetch upstream

git rebase upstream/master 

2. squash your commit:

git rebase -i xxx

If you need any help, please contact us for anytime!!!

[pouchrobot]

@xieyanke Thanks for your contribution. 🍻
Please sign off in each of your commits.

[xieyanke]

I have squashed multi commits into one commit

@HusterWan Thank you for your advice.

[HusterWan]

LGTM