func agentRpcTestSnapshot(t *testing.T, client tmclient.TabletManagerClient, ti *topo.TabletInfo) {
logChannel, errFunc, err := client.Snapshot(ti, testSnapshotArgs, time.Minute)
if err != nil {
t.Fatalf("Snapshot failed: %v", err)
}
compareLoggedStuff(t, "Snapshot", logChannel, 0)
sr, err := errFunc()
compareError(t, "Snapshot", err, sr, testSnapshotReply)
}