Fix e2e test

[Tulsishah]

Description

We are getting this error exec: "python": executable file not found in $PATH while running e2e tests in periodically due to newly added test which uses python library. Fixing it by using python3 instead of python while running tests.

• Small fixes to stat directory after renaming not exist.

Link to the issue in case of a bug fix.

NA

Testing details

1. Manual - NA
2. Unit tests - NA
3. Integration tests - Automated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.11%. Comparing base (d6789d0) to head (66e7481).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2599      +/-   ##
==========================================
+ Coverage   78.06%   78.11%   +0.05%     
==========================================
  Files         107      107              
  Lines       11844    11844              
==========================================
+ Hits         9246     9252       +6     
+ Misses       2095     2085      -10     
- Partials      503      507       +4     

Flag	Coverage Δ
unittests	78.11% <ø> (+0.05%)	⬆️

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