@Test
public void testAsyncCreateThree() {
CountDownLatch latch = new CountDownLatch(3);
StringCB op1 = new StringCB(zk, latch);
op1.setPath("/op1");
StringCB op2 = new StringCB(zk, latch);
op2.setPath("/op2");
StringCB op3 = new StringCB(zk, latch);
op3.setPath("/op3");
op1.create();
op2.create();
op3.create();
op1.verify();
op2.verify();
op3.verify();
}