    @Test
    void GpcpPrecipImport(){

        String inFile = new File(getClass().getResource("/gpcp_cdr_v23rB1_y2019_m01.nc").getFile()).toString();
        String variableName = "precip";

        DataReader reader = DataReader.builder()
                .path(inFile)
                .variable(variableName)
                .build();

        List<VortexGrid> dtos = reader.getDtos().stream().map(grid -> (VortexGrid) grid).collect(Collectors.toList());
        assertEquals(1, dtos.size());
        assertEquals(10368, dtos.get(0).data().length);
    }