diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index 7b5356ea0..a1efdf19c 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -3,7 +3,6 @@ from test import support
 from test.support import warnings_helper
 import os
 import sys
-import types
 
 
 if support.check_sanitizer(address=True, memory=True):
@@ -38,6 +37,7 @@ class AllTest(unittest.TestCase):
             (".* (module|package)", DeprecationWarning),
             (".* (module|package)", PendingDeprecationWarning),
             ("", ResourceWarning),
+            ("", SyntaxWarning),
             quiet=True):
             try:
                 exec("import %s" % modname, names)
@@ -53,6 +53,7 @@ class AllTest(unittest.TestCase):
             with warnings_helper.check_warnings(
                 ("", DeprecationWarning),
                 ("", ResourceWarning),
+                ("", SyntaxWarning),
                 quiet=True):
                 try:
                     exec("from %s import *" % modname, names)
@@ -71,6 +72,8 @@ class AllTest(unittest.TestCase):
                 all_set = set(all_list)
                 self.assertCountEqual(all_set, all_list, "in module {}".format(modname))
                 self.assertEqual(keys, all_set, "in module {}".format(modname))
+                # Verify __dir__ is non-empty and doesn't produce an error
+                self.assertTrue(dir(sys.modules[modname]))
 
     def walk_modules(self, basedir, modpath):
         for fn in sorted(os.listdir(basedir)):
@@ -94,8 +97,7 @@ class AllTest(unittest.TestCase):
                 continue
             yield path, modpath + modname
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
     def test_all(self):
         # List of denied modules and packages
         denylist = set([
@@ -106,7 +108,7 @@ class AllTest(unittest.TestCase):
         # In case _socket fails to build, make this test fail more gracefully
         # than an AttributeError somewhere deep in concurrent.futures, email
         # or unittest.
-        import _socket
+        import _socket  # noqa: F401
 
         ignored = []
         failed_imports = []