Fix pytests

Author: jscheffl

providers/standard/tests/unit/standard/hooks/test_subprocess.py

@@ -97,7 +97,8 @@ def test_should_exec_subprocess(self, mock_popen, mock_temporary_directory):
             ["bash", "-c", 'echo "stdout"'],
             cwd="/tmp/airflowtmpcatcat",
             env={},
-            preexec_fn=mock.ANY,
+            restore_signals=True,
+            start_new_session=True,
             stderr=STDOUT,
             stdout=PIPE,
         )

providers/teradata/tests/unit/teradata/hooks/test_bteq.py

@@ -150,7 +150,7 @@ def test_execute_bteq_script_at_local_success(
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
         shell=True,
-        preexec_fn=os.setsid,
+        start_new_session=True,
     )
     assert ret_code == 0