for ( MultiTestCase r : testcases ) {
            assertTrue("Have not completed", r.completed);
        }
    }

    private static abstract class MultiTestCase implements Runnable {

        public MultiTestCase () {}

        boolean completed;
    }

    private class MutiThreadTestCase extends MultiTestCase {

        public MutiThreadTestCase () {}

                    log.debug("Session setup failed", se);
                    if ( this.connectionState.compareAndSet(1, 0) ) {
                        // only try to logoff if we have not completed the session setup, ignore errors from chained
                        // responses
                        logoff(true, true);
                    }
                    throw se;
                }

            throw new SmbException(ioe.getMessage(), ioe);
        }
        SmbNegotiationResponse r = this.negotiated;
        if ( r == null ) {
            throw new SmbException("Connection did not complete, failed to get negotiation response");
        }
        return r;
    }


    /**
     * @return whether this is SMB2 transport
     * @throws SmbException
     */
    @Override