@Test
public void should_export_asset_when_page_has_asset() throws Exception {

    when(pageAssetRepository.findAssetPath("pageId", "myfile.css", AssetType.CSS)).thenReturn(assetPath);
    Page page = aPage().withId("pageId").withAsset(
            anAsset().withName("myfile.css").withType(AssetType.CSS)).build();
    assetExportStep.execute(zipper, page);
    verify(zipper).addDirectoryToZip(assetPath, ALL_DIRECTORIES, ALL_FILES, "resources/assets/css/myfile.css");
}