    @Test
    void mappingDouble() throws IOException {


        String data = "#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,long,string,string,string,double\n"
                + "#group,false,false,false,false,false,false,false,false,false,true\n"
                + "#default,_result,,,,,,,,,\n"
                + ",result,table,_start,_stop,_time,_value,_field,_measurement,host,value\n"
                + ",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,10,free,mem,A,12.25\n"
                + ",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,10,free,mem,A,\n";

        List<FluxTable> tables = parseFluxResponse(data);
        Assertions.assertThat(tables.get(0).getRecords().get(0).getValueByKey("value")).isEqualTo(12.25D);
        Assertions.assertThat(tables.get(0).getRecords().get(1).getValueByKey("value")).isNull();
    }