update flag e2e tests #2785

Job	Run time
Local example using consul on ubuntu-latest	4m 0s
Local example using consul on ubuntu-latest	4m 10s
Local example using consul on ubuntu-latest	4m 10s
Local example using consul on ubuntu-latest	11m 33s
Local example using etcd on ubuntu-latest	14m 23s
Local example using etcd on ubuntu-latest	11m 17s
Local example using etcd on ubuntu-latest	11m 17s
Local example using etcd on ubuntu-latest	11m 17s
Local example using k8s on ubuntu-latest	11m 44s
Local example using k8s on ubuntu-latest	11m 28s
Local example using k8s on ubuntu-latest	11m 28s
Local example using k8s on ubuntu-latest	11m 28s
	1h 58m 15s

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