func commit(t *testing.T, cli *eyes.Client, hash string) {
res := cli.CommitSync()
if res.IsErr() {
t.Error("Unexpected error getting hash", res.Error())
}
if hash != Fmt("%X", res.Data) {
t.Errorf("Expected hash 0x%v but got 0x%X", hash, res.Data)
}
}
