@Test
public void testBuilder() {

    VcfSample sample = VcfSample.builder().withId("id").withGenome(new VcfGenome("genomeId", 1.0d, "Description")).build();
    assertNotNull(sample);
    assertEquals("id", sample.getId());
    assertNotNull(sample.getGenomes());
    assertEquals(1, sample.getGenomes().length);
    VcfGenome genome = sample.getGenomes()[0];
    assertEquals("genomeId", genome.getId());
    assertEquals(1.0d, genome.getMixture(), 0.1d);
    assertEquals("Description", genome.getDescription());
}