refactor: move test fixtures #7042

Job	Run time
E2E tests (windows-latest)	14m 56s
E2E tests (ubuntu-latest)	8m 29s
Build	1m 31s
Format check	56s
Linter	1m 38s
Integration tests (windows-latest)	2m 57s
E2E tests (macos-latest)	8m 51s
Unit tests (macos-latest)	1m 3s
Unit tests (ubuntu-latest)	1m 15s
Integration tests (macos-latest)	2m 20s
Unit tests (windows-latest)	2m 51s
Integration tests (ubuntu-latest)	1m 45s
	48m 32s

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