tests: factorize single payment regie fixture (#47477)

tests/test_lingo_payment.py

@@ -1561,11 +1561,16 @@ def test_bank_transaction_date(app, key, regie, user, john_doe, caplog, transact
         assert 'new transaction_date for transaction' in caplog.text
 
 
-def test_successfull_items_can_pay_only_one_basket_item(app, basket_page, regie, user):
+@pytest.fixture
+def mono_regie(regie):
     regie.can_pay_only_one_basket_item = True
     regie.save()
-    item = BasketItem.objects.create(user=user, regie=regie, amount=42, subject='foo item')
-    BasketItem.objects.create(user=user, regie=regie, amount=84, subject='bar item')
+    return regie
+
+
+def test_successfull_items_can_pay_only_one_basket_item(app, basket_page, mono_regie, user):
+    item = BasketItem.objects.create(user=user, regie=mono_regie, amount=42, subject='foo item')
+    BasketItem.objects.create(user=user, regie=mono_regie, amount=84, subject='bar item')
 
     resp = login(app).get('/test_basket_cell/')
     assert 'foo item' in resp.text
@@ -1578,7 +1583,7 @@ def test_successfull_items_can_pay_only_one_basket_item(app, basket_page, regie,
     assert qs['subject'][0] == 'foo item', 'item.subject was not provided to eopayment'
     args = {'transaction_id': qs['transaction_id'][0], 'signed': True, 'ok': True, 'reason': 'Paid'}
     with mock.patch('combo.utils.requests_wrapper.RequestsSession.request'):
-        resp = app.get(get_url(True, 'lingo-callback', regie), params=args)
+        resp = app.get(get_url(True, 'lingo-callback', mono_regie), params=args)
 
     resp = app.get('/test_basket_cell/')
     assert 'foo item' not in resp.text
@@ -1586,10 +1591,7 @@ def test_successfull_items_can_pay_only_one_basket_item(app, basket_page, regie,
 
 
 @mock.patch('combo.apps.lingo.models.BasketItem.get_items_to_be_paid')
-def test_failure_can_only_pay_one_basket_item(get_items_to_be_paid, app, regie, user, user_name_id, caplog):
-    regie.can_pay_only_one_basket_item = True
-    regie.save()
-
+def test_failure_can_only_pay_one_basket_item(get_items_to_be_paid, app, mono_regie, user, user_name_id, caplog):
     item = mock.Mock(spec=['capture_date'], capture_date=None)
     get_items_to_be_paid.return_value.filter.return_value = [item, item]
 
@@ -1599,7 +1601,7 @@ def test_failure_can_only_pay_one_basket_item(get_items_to_be_paid, app, regie,
     assert '_messages' not in app.session
     assert len(caplog.records) == 0
     response = app.post('/lingo/pay', params={
-        'regie': regie.id,
+        'regie': mono_regie.id,
         'csrfmiddlewaretoken': token,
     })
     assert 'Grouping basket items is not allowed.' in app.session['_messages']