remove more bound metadata

in Iae6ab95938a7e92b6d42086aec534af27b5577d3 I missed
that the "bind" was being stuck onto the MetaData in
TablesTest, which led thousands of ORM tests to still use
bound metadata.  Keep looking for bound metadata.

standardize all ORM tests on a single means of getting a
Session when the Session API isn't the thing we are directly
testing, using a new function fixture_session() that replaces
create_session() and uses modern defaults.

Change-Id: Iaf71206e9ee568151496d8bc213a069504bf65ef

1 files changed, 2 insertions, 2 deletions

diff --git a/test/orm/inheritance/test_abc_inheritance.py b/test/orm/inheritance/test_abc_inheritance.py
index bce554f30..a368e7b2f 100644
--- a/test/orm/inheritance/test_abc_inheritance.py
+++ b/test/orm/inheritance/test_abc_inheritance.py
@@ -9,7 +9,7 @@ from sqlalchemy.orm import relationship
 from sqlalchemy.orm.interfaces import MANYTOONE
 from sqlalchemy.orm.interfaces import ONETOMANY
 from sqlalchemy.testing import fixtures
-from sqlalchemy.testing.fixtures import create_session
+from sqlalchemy.testing.fixtures import fixture_session
 from sqlalchemy.testing.schema import Column
 from sqlalchemy.testing.schema import Table
 
@@ -221,7 +221,7 @@ class ABCTest(fixtures.MappedTest):
         parent_class = {"a": A, "b": B, "c": C}[parent]
         child_class = {"a": A, "b": B, "c": C}[child]
 
-        sess = create_session()
+        sess = fixture_session(autoflush=False, expire_on_commit=False)
 
         parent_obj = parent_class("parent1")
         child_obj = child_class("child1")