Fixed tests for old python versions.

Signed-off-by: Pavel Kirilin <win10@list.ru>

Author: s3rius

tests/test_isoptional.py

@@ -1,6 +1,9 @@
 import inspect
+import sys
 from typing import Optional, Union
 
+import pytest
+
 from aiohttp_deps.swagger import _is_optional
 
 
@@ -40,7 +43,7 @@ def tfunc(param: Union[int, str]):
     assert not _is_optional(param)
 
 
-# @pytest.mark.skip("We doesn't support 3.10 annotation style yet.")
+@pytest.mark.skipif(sys.version_info < (3, 10), reason="Unsupported syntax")
 def test_new_type_style():
     def tfunc(param: "int | None"):
         """Nothing."""
@@ -50,6 +53,7 @@ def tfunc(param: "int | None"):
     assert _is_optional(param)
 
 
+@pytest.mark.skipif(sys.version_info < (3, 10), reason="Unsupported syntax")
 def test_string_annotation():
     def tfunc(param: "int | None"):
         """Nothing."""