@Override
          protected void start() throws IoTDBException {
            throw new IoTDBException("Error", 23);
          }
In this test, the commandline is called with the start option. The start method should be
called, however there an exception is thrown, which should be caught.
iotdb-core/node-commons/src/test/java/org/apache/iotdb/commons/ServerCommandLineTest.java