@Test
public void noLatestPatcher() throws Exception {

  List<LocalPackage> local = ImmutableList.of(new FakeLocalPackage("foo"));
  RepositoryPackages packages = new RepositoryPackages(local, ImmutableList.of());
  FakeRepoManager mgr = new FakeRepoManager(new File("/sdk"), packages);
  LocalPackage patcher = PatchInstallerUtil.getLatestPatcher(mgr);
  assertNull(patcher);
}