Portability tests now complete without errors

lib/Doctrine/DBAL/Portability/Connection.php

@@ -37,6 +37,7 @@ class Connection extends \Doctrine\DBAL\Connection
     const PORTABILITY_POSTGRESQL        = 13;
     const PORTABILITY_SQLITE            = 13;
     const PORTABILITY_OTHERVENDORS      = 12;
+    const PORTABILITY_DRIZZLE           = 13;
 
     /**
      * @var int
@@ -60,6 +61,8 @@ class Connection extends \Doctrine\DBAL\Connection
                     $params['portability'] = $params['portability'] & self::PORTABILITY_POSTGRESQL;
                 } else if ($this->_platform->getName() === "sqlite") {
                     $params['portability'] = $params['portability'] & self::PORTABILITY_SQLITE;
+                } else if ($this->_platform->getName() === "drizzle") {
+                    $params['portability'] = self::PORTABILITY_DRIZZLE;
                 } else {
                     $params['portability'] = $params['portability'] & self::PORTABILITY_OTHERVENDORS;
                 }