@Override
    protected List<ParentRunner<?>> getChildren() {
        return children;
    }
@Test
    void finds_no_features_when_explicit_feature_path_has_no_features() throws InitializationError {
        Cucumber cucumber = new Cucumber(ExplicitFeaturePathWithNoFeatures.class);
        List<ParentRunner<?>> children = cucumber.getChildren();
        assertThat(children, is(equalTo(emptyList())));
    }