Fix edge case test with class_alias

Author: Jean85

tests/Tracing/Doctrine/DBAL/TracingDriverTest.php

@@ -10,6 +10,7 @@
 use Doctrine\DBAL\Driver\Connection as DriverConnectionInterface;
 use Doctrine\DBAL\Driver\DriverException as DriverExceptionInterface;
 use Doctrine\DBAL\Driver\ExceptionConverterDriver as ExceptionConverterDriverInterface;
+use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\DriverException as DBALDriverException;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
@@ -264,3 +265,7 @@ interface StubExceptionConverterDriverInterface extends DriverInterface
     {
     }
 }
+
+if (!class_exists(DriverExceptionInterface::class)) {
+    class_alias(Exception::class, DriverExceptionInterface::class);
+}