@Before
    public void setup() throws IOException {
        cfgFile = folder.newFile();
        idFile = folder.newFile("myid");
        reconfigurer = new TestableReconfigurer(new TestableVespaZooKeeperAdmin());
    }
Tests dynamic reconfiguration of zookeeper cluster.

@author hmusum
zookeeper-server/zookeeper-server-common/src/test/java/com/yahoo/vespa/zookeeper/ReconfigurerTest.java