Add test_update

tests/test_update.py

@@ -0,0 +1,20 @@
+from aiogram import types
+from .dataset import UPDATE
+
+update = types.Update(**UPDATE)
+
+
+def test_export():
+    exported = update.to_python()
+    assert isinstance(exported, dict)
+    assert exported == UPDATE
+
+
+def test_update_id():
+    assert isinstance(update.update_id, int)
+    assert hash(update) == UPDATE['update_id']
+    assert update.update_id == UPDATE['update_id']
+
+
+def test_message():
+    assert isinstance(update.message, types.Message)