### Question:
ModelServer { public boolean isRunning() { return !stopped.get(); } ModelServer(ConfigManager configManager); static void main(String[] args); void startAndWait(); List<ChannelFuture> start(); boolean isRunning(); void stop();  }### Answer:
@Test public void test() throws InterruptedException, HttpPostRequestEncoder.ErrorDataEncoderException, IOException { Assert.assertTrue(server.isRunning()); Channel channel = null; for (int i = 0; i < 5; ++i) { try { channel = connect(Connector.ConnectorType.MANAGEMENT); break; } catch (AssertionError e) { Thread.sleep(100); } } Assert.assertNotNull(channel, "Failed to connect to inference port."); testPing(channel); testRoot(channel); testPredictions(channel); testInvocations(channel); testInvocationsMultipart(channel); testDescribeApi(channel); testRegisterModel(channel); testRegisterModelAsync(channel); testScaleModel(channel); testDescribeModel(channel); testUnregisterModel(channel); testPredictionsInvalidRequestSize(channel); channel.close(); testInvalidRootRequest(); testInvalidUri(); testInvalidPredictionsUri(); testInvalidPredictionsMethod(); testPredictionsModelNotFound(); testInvalidDescribeModel(); testDescribeModelNotFound(); testInvalidManagementUri(); testInvalidManagementMethod(); testUnregisterModelNotFound(); testInvalidScaleModel(); testScaleModelNotFound(); testRegisterModelMissingUrl(); testRegisterModelNotFound(); testRegisterModelConflict(); testServiceUnavailable(); }