@Override
    protected List<ParentRunner<?>> getChildren() {
        return children;
    }
@Test
    void finds_features_based_on_explicit_root_package() throws InitializationError {
        Cucumber cucumber = new Cucumber(ExplicitFeaturePath.class);
        assertThat(cucumber.getChildren().size(), is(equalTo(7)));
        assertThat(cucumber.getChildren().get(1).getDescription().getDisplayName(), is(equalTo("Feature A")));
    }