--- tryton-server-3.2.0.orig/trytond/tests/test_tryton.py
+++ tryton-server-3.2.0/trytond/tests/test_tryton.py
@@ -23,6 +23,8 @@ USER = 1
 USER_PASSWORD = 'admin'
 CONTEXT = {}
 DB_NAME = os.environ['DB_NAME']
+if os.environ.get('DB_TYPE'):
+    CONFIG['db_type'] = os.environ['DB_TYPE']
 DB = backend.get('Database')(DB_NAME)
 Pool.test = True
 POOL = Pool(DB_NAME)