Fix #541 -- Allow delete waitinglist entries (#544)

Add new action "delete" for each waiting list entries

src/tests/control/test_waitinglist.py

@@ -74,6 +74,16 @@ def test_assign_single(client, env):
     assert wle.voucher
 
 
+@pytest.mark.django_db
+def test_delete_single(client, env):
+    client.login(email='dummy@dummy.dummy', password='dummy')
+    wle = WaitingListEntry.objects.first()
+
+    client.post('/control/event/dummy/dummy/waitinglist/%s/delete' % (wle.id))
+    with pytest.raises(WaitingListEntry.DoesNotExist):
+        WaitingListEntry.objects.get(id=wle.id)
+
+
 @pytest.mark.django_db
 def test_dashboard(client, env):
     quota = Quota.objects.create(name="Test", size=2, event=env[0])