Intermittent test failure PulsarClientToolTest.testInitialzation

```
testInitialzation(com.yahoo.pulsar.client.cli.PulsarClientToolTest)  Time elapsed: 10.01 sec  <<< FAILURE!
org.testng.internal.thread.ThreadTimeoutException: Method org.testng.internal.TestNGMethod.testInitialzation() didn't finish within the time-out 10000
Results :
Failed tests: 
  PulsarClientToolTest.testInitialzation » ThreadTimeout Method org.testng.inter...
```
