public function testHeartBeatException()
 {
     $this->setExpectedException('\\RuntimeException', 'Counld not connect to database');
     $this->getDatabaseTester()->getConnection();
     $config1 = new DoctrineConfig($this->connection);
     $this->assertEquals(0, $config1->getMachine());
     $this->connection->close();
     $config1->heartbeat();
 }
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $connection = $this->getConnection($input, $output);
     DoctrineConfig::createTable($connection, $input->getOption('table'));
     $output->writeln('<info>Success</info>');
 }