test: add fallback for Playwright-provided browser

[Lodin]

If you want to get rid of an additional Chrome binary in your node_modules, you can add the following environment variables:

PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
CHROME_BIN=/opt/google/chrome/chrome # or any other path to your Chrome binary

Note: if you have PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD set without CHROME_BIN, it will throw an error.
Note: for this change to take effect you have to run npm ci.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.91%. Comparing base (2c651bb) to head (c50f387).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3204   +/-   ##
=======================================
  Coverage   86.91%   86.91%           
=======================================
  Files         118      118           
  Lines        8191     8191           
  Branches     1256     1256           
=======================================
  Hits         7119     7119           
  Misses       1058     1058           
  Partials       14       14           

Flag	Coverage Δ
unittests	86.91% <ø> (ø)

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[Lodin]

This PR changes the workflow, so the correct Validation is here

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud