}
                catch ( Exception e ) {
                    log.error("Failed to close");
                }
            }
        }
    }


    @Test
    public void testMultiThread () throws InterruptedException {
        withTestNTLMCredentials(getContext());
        List<MutiThreadTestCase> runnables = new ArrayList<>();
        for ( int i = 0; i < 20; i++ ) {