Annotate the test_models package

Author: mthuurne

tests/test_models/test_status_model.py

@@ -9,6 +9,8 @@
 
 
 class StatusModelTests(TestCase):
+    model: type[Status] | type[StatusPlainTuple]
+
     def setUp(self) -> None:
         self.model = Status
         self.on_hold = Status.STATUS.on_hold

tests/test_models/test_timestamped_model.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from collections.abc import Iterable
 from datetime import datetime, timedelta, timezone
 
 import time_machine
@@ -114,7 +115,7 @@ def test_save_with_update_fields_overrides_modified_provided_within_a(self) -> N
                 self.assertEqual(t1.modified, datetime(2020, 1, 2, tzinfo=timezone.utc))
 
     def test_save_is_skipped_for_empty_update_fields_iterable(self) -> None:
-        tests = (
+        tests: Iterable[list | tuple | set] = (
             [],  # list
             (),  # tuple
             set(),  # set