func get(t *testing.T, cli *eyes.Client, key string, value string, err string) {
res := cli.GetSync([]byte(key))
if !bytes.Equal([]byte(value), res.Data) {
t.Errorf("Expected value 0x%X (%v) but got 0x%X", []byte(value), value, res.Data)
}
if res.IsOK() {
if err != "" {
t.Errorf("Expected error %v but got no error", err)
}
} else {
if err == "" {
t.Errorf("Expected no error but got error %v", res.Error())
}
}
}
