fix: improve e2e tests flakiness #4828

Job	Run time
Canonical CLA signed and Signed-off-by (DCO)	13s
check-inclusive-naming	11s
e2e-tests (5.0/edge, chromium)	20m 37s
e2e-tests (5.0/edge, firefox)	18m 37s
js-tests	1m 4s
e2e-tests (5.21/edge, chromium)	21m 34s
lint	1m 8s
e2e-tests (5.21/edge, firefox)	24m 58s
e2e-tests (latest/edge, chromium)	22m 6s
e2e-tests (latest/edge, firefox)	35m 24s
merge-e2e-reports	16s
	2h 26m 8s

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