fix: address comments again

Signed-off-by: yihong0618 <[email protected]>

Author: yihong0618

Lib/test/test_pyrepl/test_unix_console.py

@@ -304,11 +304,11 @@ def test_getheightwidth_with_invalid_environ(self, _os_write):
             os.environ = []
             self.assertIsInstance(console.getheightwidth(), tuple)
 
-    @unittest.skipUnless(sys.platform == "darwin", "requires OS X")
-    def test_restore_with_invalid_environ_on_macOS(self, _os_write):
+    @unittest.skipUnless(sys.platform == "darwin", "requires macOS")
+    def test_restore_with_invalid_environ_on_macos(self, _os_write):
         # gh-128636 for macOS
         console = UnixConsole(term="xterm")
-        with os_helper.EnvironmentVarGuard() as env:
+        with os_helper.EnvironmentVarGuard():
             os.environ = []
             console.prepare()  # needed to call restore()
             console.restore()  # this should succeed