test: fix flaky test test_isolation_cookies for playwright crawler #254

Job	Run time
Code checks / Spell check	8s
PR title check	4s
Code checks / Actions lint check	33s
Doc checks / Doc checks / Docs check	1m 49s
Code checks / Lint check / Lint check (3.12)	24s
Code checks / Lint check / Lint check (3.13)	35s
Code checks / Type check / Type check (3.11)	28s
Code checks / Lint check / Lint check (3.10)	24s
Code checks / Lint check / Lint check (3.14)	27s
Code checks / Lint check / Lint check (3.11)	26s
Code checks / Type check / Type check (3.13)	29s
Code checks / Type check / Type check (3.12)	28s
Code checks / Type check / Type check (3.10)	37s
Code checks / Type check / Type check (3.14)	28s
Tests / Unit tests / Unit tests (macos-latest, 3.11)	7m 24s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	6m 20s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	6m 17s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	6m 41s
Tests / Unit tests / Unit tests (macos-latest, 3.13)	4m 55s
Tests / Unit tests / Unit tests (macos-latest, 3.10)	12m 12s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	3m 35s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	4m 26s
Tests / Unit tests / Unit tests (macos-latest, 3.14)	6m 26s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	4m 36s
Tests / Unit tests / Unit tests (macos-latest, 3.12)	8m 13s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	4m 34s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	5m 27s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	6m 9s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	6m 29s
	1h 41m 4s

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