/**
  * Sets the exposed flag of repository.
  *
  * @param exposed
  * @throws IOException
  */
 protected void setExposed(final boolean exposed) throws IOException {
   TestContainer.getInstance().getTestContext().useAdminForRequests();
   TestContainer.getInstance().getTestContext().setSecureTest(true);
   final RepositoryBaseResource releasesRepository =
       getRepositoryMessageUtil().getRepository(REPO_TEST_HARNESS_RELEASE_REPO);
   releasesRepository.setExposed(exposed);
   getRepositoryMessageUtil().updateRepo(releasesRepository);
 }