@Test(expectedExceptions = IllegalStateException.class)
 public void testRemovalOfAtomicMap()
     throws SystemException, NotSupportedException, RollbackException, HeuristicRollbackException,
         HeuristicMixedException {
   AtomicMap<String, String> map = AtomicMapLookup.getAtomicMap(cache, "key");
   map.put("hello", "world");
   TransactionManager tm = cache.getAdvancedCache().getTransactionManager();
   tm.begin();
   map = AtomicMapLookup.getAtomicMap(cache, "key");
   map.put("hello2", "world2");
   assert map.size() == 2;
   AtomicMapLookup.removeAtomicMap(cache, "key");
   map.size();
   tm.commit();
 }