@Test(expected = NoSuchAttributeException.class)
public void testExecuteSingleNullAttributeException() {
TilesContainer container = createMock(TilesContainer.class);
Request request = createMock(Request.class);
AttributeContext attributeContext = createMock(AttributeContext.class);
ApplicationContext applicationContext = createMock(ApplicationContext.class);
Map<String, Object> requestScope = new HashMap<String, Object>();
requestScope.put(TilesAccess.CURRENT_CONTAINER_ATTRIBUTE_NAME, container);
expect(request.getApplicationContext()).andReturn(applicationContext);
expect(request.getContext("request")).andReturn(requestScope).anyTimes();