@Test
public void testFlushStackPush()
{
PersistenceCache pc = new PersistenceCache();
fs.push(new Node("A", new Object().getClass(), null, pc, "A", null));
fs.push(new Node("B", new Object().getClass(), null, pc, "B", null));
fs.push(new Node("C", new Object().getClass(), null, pc, "C", null));
fs.push(new Node("D", new Object().getClass(), null, pc, "D", null));
Assert.assertEquals(4, fs.size());
}