gh-99894: Ensure the local names don't collide with the test file in traceback suggestion error checking (#99895)

Co-authored-by: Victor Stinner <[email protected]>

Author: pablogsal

Lib/test/test_traceback.py

@@ -2978,9 +2978,9 @@ class MyClass:
         for name in ("b", "v", "m", "py"):
             with self.subTest(name=name):
                 actual = self.get_suggestion(MyClass, name)
-                self.assertNotIn("you mean", actual)
-                self.assertNotIn("vvv", actual)
-                self.assertNotIn("mom", actual)
+                self.assertNotIn("Did you mean", actual)
+                self.assertNotIn("'vvv", actual)
+                self.assertNotIn("'mom'", actual)
                 self.assertNotIn("'id'", actual)
                 self.assertNotIn("'w'", actual)
                 self.assertNotIn("'pytho'", actual)
@@ -3168,9 +3168,9 @@ def test_import_from_error_bad_suggestions_do_not_trigger_for_small_names(self):
         for name in ("b", "v", "m", "py"):
             with self.subTest(name=name):
                 actual = self.get_import_from_suggestion(code, name)
-                self.assertNotIn("you mean", actual)
-                self.assertNotIn("vvv", actual)
-                self.assertNotIn("mom", actual)
+                self.assertNotIn("Did you mean", actual)
+                self.assertNotIn("'vvv'", actual)
+                self.assertNotIn("'mom'", actual)
                 self.assertNotIn("'id'", actual)
                 self.assertNotIn("'w'", actual)
                 self.assertNotIn("'pytho'", actual)