bpo-41682: Skip unstable test_asyncio sendfile test on Windows (GH-30801)

(cherry picked from commit 1ded8ed)

Co-authored-by: Nikita Sobolev <[email protected]>

Author: miss-islington

Lib/test/test_asyncio/test_sendfile.py

@@ -451,6 +451,8 @@ def test_sendfile_ssl_close_peer_after_receiving(self):
     # themselves).
     @unittest.skipIf(sys.platform.startswith('sunos'),
                      "Doesn't work on Solaris")
+    @unittest.skipIf(sys.platform == "win32",
+                     "It is flaky on Windows and needs to be fixed")  # TODO: bpo-41682
     def test_sendfile_close_peer_in_the_middle_of_receiving(self):
         srv_proto, cli_proto = self.prepare_sendfile(close_after=1024)
         with self.assertRaises(ConnectionError):