@Test
public void testMakeFrequencyFilterReportCanCopeWithNullFrequencyData() {

    Filter filter = new FrequencyFilter(0.1f);
    FilterType filterType = filter.getFilterType();
    VariantEvaluation variantEvalWithNullFrequencyData = makeFailedVariant(filterType);
    variantEvalWithNullFrequencyData.setFrequencyData(null);
    variantEvaluations.add(variantEvalWithNullFrequencyData);
    
    FilterReport result = instance.makeFilterReport(filter, analysisResults);
    assertThat(result, notNullValue());
}