add e2e test

[huiwq1990]

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What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage
/sig storage

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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[codecov]

Codecov Report

Merging #107 (be169f7) into master (dbc59e8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #107   +/-   ##
=======================================
  Coverage   23.53%   23.53%           
=======================================
  Files          42       42           
  Lines        4776     4776           
=======================================
  Hits         1124     1124           
  Misses       3500     3500           
  Partials      152      152           

Flag	Coverage Δ
unittests	23.53% <ø> (ø)

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[rambohe-ch]

@huiwq1990 please fix the golangci-lint errors.

[rambohe-ch]

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: huiwq1990, rambohe-ch

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