### Question:
ElasticsearchQueryEngine extends SingleProjectQueryEngine<Client> { @Override @TimerJ protected void asyncExecute(String queryId, Project project, Connection connection, IResultHandler resultHandler) throws ConnectorException { throw new UnsupportedException("Not supported"); } ElasticsearchQueryEngine(ConnectionHandler connectionHandler); @Override @TimerJ void stop(String queryId);  }### Answer:
@Test(expected = ExecutionException.class) public void testAsyncExecute() throws ConnectorException { elasticsearchQueryEngine.asyncExecute("", mock(LogicalWorkflow.class), mock(IResultHandler.class)); }