code: @Test public void testGetPoolOk(){
    roundRobinBalancingPolicy=new RoundRobinBalancingPolicy();
    assertEquals(poolWith5Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith7Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith10Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith5Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith7Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith10Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith5Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith7Active,roundRobinBalancingPolicy.getPool(pools,null));
    assertEquals(poolWith10Active,roundRobinBalancingPolicy.getPool(pools,null));
  }
  