@Test
public void testBuilderFilterResultsGetFailedFilterTypesDontContainPassedFilterTypes() {

    Set<FilterType> expectedFilters = EnumSet.of(FAIL_FREQUENCY_RESULT.getFilterType());
    VariantEvaluation variantEvaluation = testVariantBuilder()
            .filterResults(FAIL_FREQUENCY_RESULT)
            .build();
    assertThat(variantEvaluation.getFailedFilterTypes(), equalTo(expectedFilters));
}