Added "python -m" while running pytest in CI workflows

[gavin-aguiar]

Description

Added a python -m while running pytest. This is to get tests pass in #1017

Fixes #

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PR information

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• New Unit tests were added for the changes made and CI is passing.

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[codecov]

Codecov Report

Merging #1020 (aff31ab) into dev (899d023) will not change coverage.
The diff coverage is n/a.

❗ Current head aff31ab differs from pull request most recent head 81976c4. Consider uploading reports for the commit 81976c4 to get more accurate results

@@           Coverage Diff           @@
##              dev    #1020   +/-   ##
=======================================
  Coverage   82.88%   82.88%           
=======================================
  Files          33       33           
  Lines        1776     1776           
  Branches      282      282           
=======================================
  Hits         1472     1472           
  Misses        234      234           
  Partials       70       70           

Flag	Coverage Δ
unittests	82.88% <ø> (ø)

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