fix(testing): fix flaky test

[meeroslav]

This test assumes both 4200 and 4201 are free but only kills 4200 before the test.
If 4201 is not cleaned up, it can cause test to fail.

The fix ensures both are cleared.

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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1 Ignored Deployment

Name	Status	Preview	Updated (UTC)
nx-dev	⬜️ Ignored (Inspect)	Visit Preview	Oct 16, 2023 10:21am

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⌛ The following target is in progress

• nx affected --targets=lint,test,build --base=dbd084df5fafb2990059c602adaf333a6ff5938c --head=a870ded69dafc342355791f06fe382e7c518c6d9 --parallel=3

✅ Successfully ran 5 targets

• nx affected --target=e2e --base=dbd084df5fafb2990059c602adaf333a6ff5938c --head=a870ded69dafc342355791f06fe382e7c518c6d9 --parallel=1
• nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• nx-cloud record -- nx format:check --base=dbd084df5fafb2990059c602adaf333a6ff5938c --head=a870ded69dafc342355791f06fe382e7c518c6d9
• nx documentation --no-dte
• nx affected -t e2e-macos --parallel=1 --base=dbd084df5fafb2990059c602adaf333a6ff5938c --head=a870ded69dafc342355791f06fe382e7c518c6d9

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[github-actions]

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