@Test
  public void testNullAuthsFromConf() throws SerDeException {
    Configuration conf = new Configuration(false);

    Authorizations auths = AccumuloSerDeParameters.getAuthorizationsFromConf(conf);
    Assert.assertNull(auths);
  }
  @Test
  public void testParseAuthorizationsFromConf() throws SerDeException {
    Configuration conf = new Configuration(false);
    conf.set(AccumuloSerDeParameters.AUTHORIZATIONS_KEY, "foo,bar");

    Authorizations auths = AccumuloSerDeParameters.getAuthorizationsFromConf(conf);
    Assert.assertEquals(new Authorizations("foo,bar"), auths);
  }