add more test with alternative column names

tests/test_aliases.py

@@ -133,3 +133,25 @@ async def test_bulk_operations_and_fields():
         await children[0].load()
         await children[0].delete()
         children = await Child.objects.all()
+        assert len(children) == 1
+
+
+@pytest.mark.asyncio
+async def test_working_with_aliases_get_or_create():
+    async with database:
+        async with database.transaction(force_rollback=True):
+            artist = await Artist.objects.get_or_create(first_name='Teddy', last_name='Bear', born_year=2020)
+            assert artist.pk is not None
+
+            artist2 = await Artist.objects.get_or_create(first_name='Teddy', last_name='Bear', born_year=2020)
+            assert artist == artist2
+
+            art3 = artist2.dict()
+            art3['born_year'] = 2019
+            await Artist.objects.update_or_create(**art3)
+
+            artist3 = await Artist.objects.get(last_name='Bear')
+            assert artist3.born_year == 2019
+
+            artists = await Artist.objects.all()
+            assert len(artists) == 1