VastXmlManager { String getMediaFileUrl() { List<String> urlWrapper = XmlUtils.getStringDataAsList(mVastDoc, MEDIA_FILE); return (urlWrapper.size() > 0) ? urlWrapper.get(0) : null; }    }
@Test public void getMediaFileUrl_shouldReturnTheCorrectValue() { String url = mXmlManager.getMediaFileUrl(); assertThat(url).isEqualTo("http: }