@Test
public void should_add_new_style_asset_to_migrated_pages() throws Exception {

    Page page = aPage().withVersion("1.4.7").build();
    step.migrate(page);
    Page migratedPage = pageRepository.get(page.getId());
    assertThat(migratedPage.getAssets()).contains(expectedAsset("style.css"));
    verify(assetRepository).save(page.getId(), expectedAsset("style.css"), expectedAssetContent());
}