@Test
  public void testDeleteAttachmentsWhenDeletingWikiPage() throws Exception {
    int initialFileEntriesCount = DLFileEntryLocalServiceUtil.getFileEntriesCount();

    addWikiPageAttachment();

    Assert.assertEquals(
        initialFileEntriesCount + 1, DLFileEntryLocalServiceUtil.getFileEntriesCount());

    WikiPageLocalServiceUtil.deletePage(_page.getNodeId(), _page.getTitle());

    Assert.assertEquals(initialFileEntriesCount, DLFileEntryLocalServiceUtil.getFileEntriesCount());
  }
  @Test
  public void testFoldersCountWhenDeletingWikiPageWithoutAttachments() throws Exception {

    int initialFoldersCount = DLFolderLocalServiceUtil.getDLFoldersCount();

    addWikiPage();

    Assert.assertEquals(initialFoldersCount, DLFolderLocalServiceUtil.getDLFoldersCount());

    WikiPageLocalServiceUtil.deletePage(_page.getNodeId(), _page.getTitle());

    Assert.assertEquals(initialFoldersCount, DLFolderLocalServiceUtil.getDLFoldersCount());
  }