This test is currently commented-out since it doesn't run correctly.

A bisect shows that this appears to have broken with commit 70a3ecf. With this commit and later versions, some seeds work (ex: 222) and others don't (ex: 1). This is possibly related to #2693.

error #0: client: endpoint http://127.0.0.1:4001 exceeded header timeout
error #1: client: endpoint http://127.0.0.1:2379 exceeded header timeout