check_swatinit: Change condition for testing using flow

[alifbe]

There was a mistake in PR #672 which make some tests for check_swatinit being skipped if run from Github Action. This PR will ensure that they will be skipped only if run from subscript Github Action.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.45%. Comparing base (891dd48) to head (5f0a751).

❗ Current head 5f0a751 differs from pull request most recent head 3c18206. Consider uploading reports for the commit 3c18206 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #675   +/-   ##
=======================================
  Coverage   86.45%   86.45%           
=======================================
  Files          50       50           
  Lines        6991     6991           
=======================================
  Hits         6044     6044           
  Misses        947      947           

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