Add e2e test for advanced fields in services #813

Job	Run time
build / Build	6m 20s
Integration Tests (certrotation)	2m 12s
Integration Tests (etcdrestore)	2m 47s
Integration Tests (localstorage)	2m 10s
Integration Tests (startup)	8m 6s
Integration Tests (custometcdargs)	1m 32s
Integration Tests (etcdsnapshot)	7m 54s
Integration Tests (kubeflags)	7m 47s
Integration Tests (longhorn)	3m 44s
Integration Tests (secretsencryption)	2m 40s
Integration Tests (flannelnone)	2m 18s
	47m 30s

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