[INTER-165] Improve tests

[TheUnderScorer]

No description provided.

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟢	Statements	97.46%	345/354
🟢	Branches	90.82%	89/98
🟢	Functions	100%	56/56
🟢	Lines	97.41%	338/347

Test suite run success

163 tests passing in 16 suites.

Report generated by 🧪jest coverage report action from 0c73753

Show full coverage report

St	File	% Stmts	% Branch	% Funcs	% Lines	Uncovered Line #s
🟢	All files	97.45	90.81	100	97.4
🟢	management	98.97	80	100	98.97
🟢	github.ts	100	80	100	100	48,63
🟢	healthCheck.ts	100	66.66	100	100	57
🟢	rollback.ts	100	100	100	100
🟡	semver.ts	80	100	100	80	7
🟢	settings.ts	100	100	100	100
🟢	site.ts	100	80	100	100	55
🟢	storage.ts	100	100	100	100
🟢	proxy/domain	96.29	95.83	100	96.21
🟢	tld.ts	96.29	95.83	100	96.21	92,100-103,129
🟢	proxy/errors	100	100	100	100
🟢	IntegrationError.ts	100	100	100	100
🟢	proxy/utils	97.43	90	100	97.34
🟢	cacheControl.ts	100	100	100	100
🟢	cookies.ts	100	100	100	100
🟢	errorResponse.ts	100	100	100	100
🟢	headers.ts	94.64	86.95	100	94.33	95-101
🟢	traffic.ts	100	100	100	100

[ilfa]

🎉 This PR is included in version 1.2.0 🎉

The release is available on:

• v1.2.0
• GitHub release

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