Fix navigation timeout errors in E2E tests #11156

Job	Run time
Pre run	4s
Lint: PHP	1m 11s
Lint: CSS	16s
Lint: JS	46s
Static Analysis: PHP	38s
Unit test: JS	32s
Build: dev build ZIP	1m 33s
Build: prod build ZIP	1m 23s
E2E test: JS (1, 2)	6m 14s
Feature tests: PHP ${{ matrix.php }}, WP ${{ matrix.wp }}	0s
E2E test: JS (2, 2)	4m 34s
Unit test: PHP 8.0, WP latest	28s
Unit test: PHP 8.3, WP trunk	23s
Unit test: PHP 8.2, WP trunk	25s
Unit test: PHP 8.1, WP trunk	24s
Unit test: PHP 8.0, WP trunk	23s
Unit test (with coverage): PHP 8.0, WP latest	27s
Unit test: PHP 8.0, WP latest	28s
Unit test: PHP 7.4, WP latest	26s
Unit test: PHP 7.4, WP latest	25s
Unit test: PHP 7.4, WP 5.3	25s
Unit test: PHP 7.4, WP 5.3	23s
Upload plugin ZIPs to Google Cloud Storage	34s
Comment on PR with links to plugin ZIPs	6s
	22m 28s

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