fix: improve e2e tests flakiness #4832

Job	Run time
js-tests	1m 8s
Canonical CLA signed and Signed-off-by (DCO)	13s
check-inclusive-naming	4s
e2e-tests (5.0/edge, chromium)	13m 55s
e2e-tests (5.0/edge, firefox)	23m 14s
lint	1m 11s
e2e-tests (5.21/edge, chromium)	17m 27s
e2e-tests (5.21/edge, firefox)	26m 33s
e2e-tests (latest/edge, chromium)	20m 25s
e2e-tests (latest/edge, firefox)	28m 0s
merge-e2e-reports	23s
	2h 12m 33s

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