@Test
public void testGetAnnotationsForKnownExonicVariant() {

    int pos = 123256215;
    String ref = "T";
    String alt = "G";
    VariantAnnotations variantAnnotations = instance.annotateVariant("10", pos, ref, alt);
    assertThat(variantAnnotations.getChr(), equalTo(10));
    assertThat(variantAnnotations.getPos(), equalTo(pos - 1)); //Jannovar uses and returns 0-based coordinates.
    assertThat(variantAnnotations.getRef(), equalTo(ref));
    assertThat(variantAnnotations.getAlt(), equalTo(alt));
}