test: fix flaky test test_isolation_cookies for playwright crawler #238

Job	Run time
PR title check	3s
Code checks / Actions lint check	29s
Code checks / Spell check	7s
Doc checks / Doc checks / Docs check	1m 52s
Code checks / Lint check / Lint check (3.14)	28s
Code checks / Type check / Type check (3.11)	27s
Code checks / Type check / Type check (3.12)	29s
Code checks / Lint check / Lint check (3.12)	28s
Code checks / Type check / Type check (3.13)	31s
Code checks / Type check / Type check (3.10)	25s
Code checks / Lint check / Lint check (3.10)	34s
Code checks / Lint check / Lint check (3.11)	28s
Code checks / Lint check / Lint check (3.13)	36s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	4m 34s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	6m 2s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	5m 35s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	4m 47s
Tests / Unit tests / Unit tests (macos-latest, 3.10)	4m 14s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	3m 24s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	4m 38s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	6m 41s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	6m 9s
Tests / Unit tests / Unit tests (macos-latest, 3.11)	6m 37s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	6m 21s
Tests / Unit tests / Unit tests (macos-latest, 3.14)	6m 39s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	7m 4s
Code checks / Type check / Type check (3.14)	27s
Tests / Unit tests / Unit tests (macos-latest, 3.13)	6m 56s
Tests / Unit tests / Unit tests (macos-latest, 3.12)	9m 44s
	1h 36m 49s

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