update python aiohttp tests

Author: wing328

samples/openapi3/client/petstore/python-aiohttp/test/test_enum_test.py

@@ -42,6 +42,8 @@ def make_instance(self, include_optional) -> EnumTest:
                 enum_number = 1.1,
                 enum_number_vendor_ext = 42,
                 enum_string_vendor_ext = 'FOO',
+                enum_string_single_member = 'abc',
+                enum_integer_single_member = 100,
                 outer_enum = 'placed',
                 outer_enum_integer = 2,
                 outer_enum_default_value = 'placed',

samples/openapi3/client/petstore/python-aiohttp/test/test_fake_api.py

@@ -267,6 +267,13 @@ async def test_test_string_map_reference(self) -> None:
         """
         pass
 
+    async def test_upload_file_with_additional_properties(self) -> None:
+        """Test case for upload_file_with_additional_properties
+
+        uploads a file and additional properties using multipart/form-data
+        """
+        pass
+
 
 if __name__ == '__main__':
     unittest.main()