Update Lib/test/support/__init__.py

Co-authored-by: Victor Stinner <vstinner@python.org>

Author: Zheaoli

Lib/test/support/__init__.py

@@ -3083,7 +3083,7 @@ def _supports_remote_attaching():
 def support_remote_exec_only(test):
     if not sys.is_remote_debug_enabled():
         return unittest.skip("Remote debugging is not enabled")(test)
-    if sys.platform != "darwin" and sys.platform != "linux" and sys.platform != "win32":
+    if sys.platform not in ("darwin", "linux", "win32"):
         return unittest.skip("Test only runs on Linux, Windows and macOS")(test)
     if sys.platform == "linux" and not _supports_remote_attaching():
         return unittest.skip("Test only runs on Linux with process_vm_readv support")(test)