Changes to enable e2e tests on SUSE Linux

[abhishek10004]

Changes to enable e2e tests on SLES x64 & arm64.

Some of the changes are temporary and should be removed once gcloud is packaged by default in SLES images available on GCP.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.51%. Comparing base (90de602) to head (988335e).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2773      +/-   ##
==========================================
+ Coverage   76.48%   76.51%   +0.03%     
==========================================
  Files         115      115              
  Lines       16007    16007              
==========================================
+ Hits        12243    12248       +5     
+ Misses       3252     3248       -4     
+ Partials      512      511       -1     

Flag	Coverage Δ
unittests	76.51% <ø> (+0.03%)	⬆️

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