tests should be more robust against current date and time

test/logic/tile/tiles/TestGarbageContainerScheduleTile.py

@@ -80,6 +80,9 @@ class TestSendNotification:
     def test_already_notified_should_skip_sending(self, requestsMock):
         tile = GarbageContainerScheduleTile('myGarbageScheduleTile', example_settings(True), 10)
 
+        with mock.patch.object(tile, '_get_current_date_time',
+                               wraps=tile._get_current_date_time) as currentDateTimeMock:
+            currentDateTimeMock.return_value = datetime(year=2021, month=3, day=21, hour=11, minute=00, second=0)
             requestsMock.post.return_value.status_code = 200
             tile._send_notification(1, '')
             tile._send_notification(1, '')
@@ -90,6 +93,9 @@ class TestSendNotification:
     def test_already_notified_should_skip_sending_even_if_already_skipped_before(self, requestsMock):
         tile = GarbageContainerScheduleTile('myGarbageScheduleTile', example_settings(True), 10)
 
+        with mock.patch.object(tile, '_get_current_date_time',
+                               wraps=tile._get_current_date_time) as currentDateTimeMock:
+            currentDateTimeMock.return_value = datetime(year=2021, month=3, day=21, hour=11, minute=00, second=0)
             requestsMock.post.return_value.status_code = 200
             tile._send_notification(1, '')
             tile._send_notification(1, '')