public void CanConvertDecimals()
        {
            var converter = new BtcDecimalJsonConverter();

            Assert.True(converter.CanConvert(typeof(decimal)), "because the converter is used to convert decimals to BTC (8 digit place) decimal");
        }
        public void CanNotReadJson()
        {
            var converter = new BtcDecimalJsonConverter();

            Assert.False(converter.CanRead, "because the converter is only used to convert TO json.");
        }