Week calendar and more improvements to subevent calendars (#1672)

src/tests/api/test_cart.py

@@ -4,15 +4,12 @@ from decimal import Decimal
 from unittest import mock
 
 import pytest
-from django.dispatch import receiver
 from django.utils.timezone import now
 from django_scopes import scopes_disabled
 from pytz import UTC
 
-from pretix.base.channels import SalesChannel
 from pretix.base.models import Question, SeatingPlan
 from pretix.base.models.orders import CartPosition
-from pretix.base.signals import register_sales_channels
 
 
 @pytest.fixture
@@ -52,21 +49,6 @@ def quota(event, item):
     return q
 
 
-class FoobarSalesChannel(SalesChannel):
-    identifier = "bar"
-    verbose_name = "Foobar"
-    icon = "home"
-    testmode_supported = False
-    unlimited_items_per_order = True
-
-
-@receiver(register_sales_channels, dispatch_uid="test_cart_register_sales_channels")
-def base_sales_channels(sender, **kwargs):
-    return (
-        FoobarSalesChannel(),
-    )
-
-
 TEST_CARTPOSITION_RES = {
     'id': 1,
     'cart_id': 'aaa@api',