### Question:
DavHandler { public Set<String> getFileEndings() { return fileEndings; } DavHandler(List<String> folderHierarchy); void saveLogs(String service, String evalId, List<String> logs); void saveText(String text, String url); void saveStream(InputStream stream, String url); void saveFiles(UrlParts urlParts, ToolResults urls); String getFolderHierarchyUrl(); String retrieveTextFile(String url); Set<String> getFileEndings();  }### Answer:
@Test public void testGetFileEndings() throws HttpException, IOException { DavHandler dav = new DavHandler(folders); Set<String> endings = dav.getFileEndings(); assertNotNull(endings); assertTrue(endings.contains("tif")); }