### Question:
VersionClient { List<HockeyAppVersion> getVersions() throws IOException { if (versions == null) { return versions = loadVersions(); } return versions; } VersionClient(HockeyAppRequestBuilder requestBuilder); HockeyAppVersion getVersion();  }### Answer:
@Test public void getVersions() throws VersionNotFoundException, IOException { LinkedList<HockeyAppVersion> versions = new LinkedList<>(); versions.add(new HockeyAppVersion(requestBuilder.getAppVersion())); versions.add(new HockeyAppVersion("1.2")); client.setVersions(versions); stubCreatedVersionResponse(201, requestBuilder.getAppVersion()); client.getVersion(); }