test: Cover func updatestatefulset #475

Job	Run time
Validate YAML	13s
./tests/e2e-chainsaw/v1beta2/teardown/	5m 28s
./tests/e2e-chainsaw/v1beta2/setup/	10m 49s
./tests/e2e-chainsaw/v1beta2/hostnetwork/	10m 29s
./tests/e2e-chainsaw/v1beta2/password/	10m 29s
./tests/e2e-chainsaw/v1beta2/ha-setup/	10m 14s
./tests/e2e-chainsaw/v1beta2/ha-failover/	9m 26s
./tests/e2e-chainsaw/v1beta2/nodeport/	10m 37s
./tests/e2e-chainsaw/v1beta2/pvc-name/	6m 29s
./tests/e2e-chainsaw/v1beta2/keep-pvc/	5m 30s
./tests/e2e-chainsaw/v1beta2/acl-user/	10m 31s
./tests/e2e-chainsaw/v1beta2/scaling/	23m 20s
./tests/e2e-chainsaw/v1beta2/ignore-annots/	5m 30s
	1h 59m 5s

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