public static CsvRecordConverter<Map<String, String>> mapConverter() {
        return MapCsvRecordConverter.SINGLETON;
    }
@Test
    void shouldConvertAsMap() {
        Map<String, String> map = CsvRecordConverters.mapConverter().convertRecord(record);

        assertNotNull(map);
        assertEquals(3, map.size());
        assertEquals("1", map.get("A"));
        assertEquals("2", map.get("B"));
        assertEquals("3", map.get("C"));
    }