etcdserver/api/v2v3: skip tests for CI
etcdserver/api/v2v3: skip tests for CI

To fix in v3.5

Signed-off-by: Gyuho Lee <0fbd30d364d71722b926950b451cecd97b54fc29@amazon.com>

mkumatag/etcd,cockroachdb/etcd,coreos/etcd,li-ang/etcd,li-ang/etcd,coreos/etcd,rnaveiras/etcd,mqliang/etcd,mkumatag/etcd,etcd-io/etcd,gyuho/etcd,mqliang/etcd,cockroachdb/etcd,etcd-io/etcd,mqliang/etcd,etcd-io/etcd,rnaveiras/etcd,dannysauer/etcd,dannysauer/etcd,gyuho/etcd,ajityagaty/etcd,rnaveiras/etcd,ajityagaty/etcd,ajityagaty/etcd,mkumatag/etcd