@Test
public void testStreamCreateVariantsSingleAlleles() {

    Path vcfPath = Paths.get("src/test/resources/smallTest.vcf");
    long numVariants;
    try (Stream<VariantEvaluation> variants = instance.createVariantEvaluations(vcfPath)) {
        numVariants = variants
                .peek(printVariant())
                .count();
    }
    assertThat(numVariants, equalTo(3L));
}