func ClientTestWriteSingleRegister(t *testing.T, client modbus.Client) {
// Write register 2 to 00 03 hex
address := uint16(0x0001)
value := uint16(0x0003)
results, err := client.WriteSingleRegister(address, value)
if err != nil {
t.Fatal(err)
}
AssertEquals(t, 2, len(results))
}
