autocommit_block not working with future mode

[zzzeek]

needs to end the transaction

diff --git a/tests/test_postgresql.py b/tests/test_postgresql.py
index b41c383..8175b54 100644
--- a/tests/test_postgresql.py
+++ b/tests/test_postgresql.py
@@ -433,7 +433,9 @@ class PostgresqlOpTest(TestBase):
         context.assert_("ALTER TABLE t1 ALTER COLUMN some_column %s" % text)
 
 
-class PGAutocommitBlockTest(TestBase):
+from sqlalchemy.testing import fixtures
+
+class PGAutocommitBlockTest(fixtures.FutureEngineMixin, TestBase):
     __only_on__ = "postgresql"
     __backend__ = True

[sqla-tester]

Mike Bayer has proposed a fix for this issue in the master branch:

frame a transaction around autocommit https://gerrit.sqlalchemy.org/c/sqlalchemy/alembic/+/3130