@Test
public void testNonCacheable() {

  System.setProperty(SessionConfiguration.NON_CACHEABLE_ATTRIBUTES, "a,b,c");
  SessionConfiguration sc = new SessionConfiguration();
  assertEquals(3, sc.getNonCacheable().size());
  assertTrue(sc.getNonCacheable().contains("a"));
  assertTrue(sc.getNonCacheable().contains("b"));
  assertTrue(sc.getNonCacheable().contains("c"));
  assertFalse(sc.getNonCacheable().contains("a,b,c"));
  System.getProperties().remove(SessionConfiguration.NON_CACHEABLE_ATTRIBUTES);
}