@Test
public void testThatTheBuilderCanSetAFrequencyDataObject() {

    FrequencyData frequencyData = FrequencyData.of(RsId.of(12345), Frequency.of(FrequencySource.LOCAL, 0.1f));
    instance = testVariantBuilder().frequencyData(frequencyData).build();
    assertThat(instance.getFrequencyData(), equalTo(frequencyData));
}