@Test
public void mergePropertiesUsesOriginalRsidWhenPresent() {

    AlleleProperties toMerge = AlleleProperties.newBuilder()
            .setRsId("Shouldn't be present in merged")
            .putProperties("POLYPHEN", 1f).build();
    AlleleProperties expected = AlleleProperties.newBuilder()
            .setRsId("rs678910")
            .putProperties("EXAC_AFR", 0.00056f)
            .putProperties("POLYPHEN", 1f)
            .setClinVar(PROTO_CLINVAR)
            .build();
    assertThat(AlleleConverter.mergeProperties(ALLELE_PROPERTIES, toMerge), equalTo(expected));
}