gh-139935: fix test_os.test_getlogin on some platforms (#139936)

This amends 4e7e2dd to catch errors
that `os.getlogin` can raise as specified by POSIX and Linux/glibc [1].

[1]: https://man7.org/linux/man-pages/man3/getlogin.3.html#ERRORS

---------

Signed-off-by: yihong0618 <[email protected]>
Co-authored-by: Bénédikt Tran <[email protected]>

Author: yihong0618

Lib/test/test_os/test_os.py

@@ -3203,7 +3203,14 @@ def test_getlogin(self):
         try:
             user_name = os.getlogin()
         except OSError as exc:
-            if exc.errno in (errno.ENOTTY, errno.ENXIO):
+            # See https://man7.org/linux/man-pages/man3/getlogin.3.html#ERRORS.
+            allowed_errors = (
+                # defined by POSIX
+                errno.EMFILE, errno.ENFILE, errno.ENXIO, errno.ERANGE,
+                # defined by Linux/glibc
+                errno.ENOENT, errno.ENOMEM, errno.ENOTTY,
+            )
+            if exc.errno in allowed_errors:
                 self.skipTest(str(exc))
             else:
                 raise