DboSource::getVersion PHP Method

    public function getVersion()
    {
        return $this->_connection->getAttribute(PDO::ATTR_SERVER_VERSION);
    }

 /**
  * Tests that getVersion method sends the correct query for getting the mysql version
  * @return void
  */
 public function testGetVersion()
 {
     $version = $this->Dbo->getVersion();
     $this->assertTrue(is_string($version));
 }