Use real apiserver

[aledbf]

What this PR does / why we need it:

In order to help and avoid any possible regression with #4081, we run the test against a real server instead of the fake client.

[aledbf]

/retest

[aledbf]

/retest

[ElvinEfendi]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf, ElvinEfendi

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Needs approval from an approver in each of these files:

• OWNERS [ElvinEfendi,aledbf]

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[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@3e3e29b). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #4109   +/-   ##
=========================================
  Coverage          ?   57.76%           
=========================================
  Files             ?       87           
  Lines             ?     6459           
  Branches          ?        0           
=========================================
  Hits              ?     3731           
  Misses            ?     2296           
  Partials          ?      432

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