GH-116380: Revert addition of test_iglob_iter_close test

Remove `test.test_glob.GlobTests.test_iglob_iter_close()`, which was added
in da4899b. This fails on "Fedora Stable Clang Installed 3.x" build bots,
for reasons that aren't clear to me.

Author: barneygale

Lib/test/test_glob.py

@@ -4,7 +4,6 @@
 import shutil
 import sys
 import unittest
-import unittest.mock
 import warnings
 
 from test import support
@@ -13,9 +12,6 @@
                                     can_symlink, create_empty_file, change_cwd)
 
 
-_supports_dir_fd = {os.open, os.stat} <= os.supports_dir_fd and os.scandir in os.supports_fd
-
-
 class GlobTests(unittest.TestCase):
     dir_fd = None
 
@@ -53,7 +49,7 @@ def setUp(self):
     def open_dirfd(self):
         if self.dir_fd is not None:
             os.close(self.dir_fd)
-        if _supports_dir_fd:
+        if {os.open, os.stat} <= os.supports_dir_fd and os.scandir in os.supports_fd:
             self.dir_fd = os.open(self.tempdir, os.O_RDONLY | os.O_DIRECTORY)
         else:
             self.dir_fd = None
@@ -409,24 +405,6 @@ def test_glob_above_recursion_limit(self):
         with infinite_recursion(depth - 5):
             glob.glob(pattern, recursive=True)
 
-    @unittest.skipUnless(_supports_dir_fd, "Needs support for iglob(dir_fd=...)")
-    def test_iglob_iter_close(self):
-        base = os.path.join(self.tempdir, 'deep')
-        p = os.path.join(base, *(['d'] * 10))
-        os.makedirs(p)
-        with (
-            unittest.mock.patch("glob._StringGlobber.open", wraps=os.open) as os_open,
-            unittest.mock.patch("glob._StringGlobber.close", wraps=os.close) as os_close
-        ):
-            self.assertEqual(os_open.call_count, os_close.call_count)
-            iter = glob.iglob('**/*/d', dir_fd=self.dir_fd, recursive=True)
-            self.assertEqual(os_open.call_count, os_close.call_count)
-            self.assertEqual(next(iter), 'deep/d')
-            self.assertEqual(next(iter), 'deep/d/d')
-            self.assertGreater(os_open.call_count, os_close.call_count)
-            iter.close()
-            self.assertEqual(os_open.call_count, os_close.call_count)
-
     def test_glob0(self):
         with self.assertWarns(DeprecationWarning):
             glob.glob0(self.tempdir, 'a')