WPT

test: make `test_scriptNavigate_checkEvents` stable #8677

Job	Run time
1/6 chromedriver-headless	9s
2/6 chromedriver-headless	10s
3/6 chromedriver-headless	8s
4/6 chromedriver-headless	9s
5/6 chromedriver-headless	8s
6/6 chromedriver-headless	9s
1/6 chromedriver-headful	11s
2/6 chromedriver-headful	10s
3/6 chromedriver-headful	11s
4/6 chromedriver-headful	10s
5/6 chromedriver-headful	10s
6/6 chromedriver-headful	10s
1/6 mapper-headless	8s
2/6 mapper-headless	9s
3/6 mapper-headless	9s
4/6 mapper-headless	7s
5/6 mapper-headless	6s
6/6 mapper-headless	6s
WPT report	1s
[Required] WPT sink	1s
Update WPT expectations (if required)	1s
Commit updated expectations	1s
	2m 44s

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