Functional Test using upgrade-manager

[eytan-avisror]

Fixes #10

Functional test will now use upgrade-manager instead of argo to rotate the nodes

Testing

• Ran test manually, passed

[codecov-io]

Codecov Report

Merging #12 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #12   +/-   ##
=======================================
  Coverage   66.23%   66.23%           
=======================================
  Files           5        5           
  Lines         616      616           
=======================================
  Hits          408      408           
  Misses        154      154           
  Partials       54       54

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