test(e2e): split e2e script into setup and test phase

[aeneasr]

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security. vulnerability, I
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  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[codecov]

Codecov Report

Merging #2027 (1caf7b0) into master (57ab7f7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2027   +/-   ##
=======================================
  Coverage   75.14%   75.14%           
=======================================
  Files         292      292           
  Lines       15274    15274           
=======================================
  Hits        11478    11478           
  Misses       2968     2968           
  Partials      828      828           

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