test(utils): make spinner symbols os-indepedent in tests #6658

Job	Run time
Linter	1m 29s
Format check	50s
Integration tests (macos-latest)	1m 38s
Unit tests (ubuntu-latest)	50s
Build	1m 9s
E2E tests (macos-latest)	8m 22s
Integration tests (windows-latest)	1m 58s
E2E tests (windows-latest)	13m 45s
Integration tests (ubuntu-latest)	59s
E2E tests (ubuntu-latest)	7m 38s
Unit tests (macos-latest)	1m 53s
Unit tests (windows-latest)	1m 57s
	42m 28s

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