test_datetime now works on windows

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

.github/workflows/ci.yaml

@@ -18,7 +18,6 @@ env:
   CARGO_ARGS: --no-default-features --features stdlib,zlib,importlib,encodings,sqlite,ssl
   # Skip additional tests on Windows. They are checked on Linux and MacOS.
   WINDOWS_SKIPS: >-
-    test_datetime
     test_glob
     test_importlib
     test_io