Unmark passing tests

Lib/test/test_mimetypes.py

@@ -136,8 +136,6 @@ class MimeTypesTestCase(unittest.TestCase):
                                           strict=True)
         self.assertEqual(exts, ['.g3', '.g\xb3'])
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_init_reinitializes(self):
         # Issue 4936: make sure an init starts clean
         # First, put some poison into the types table
@@ -148,8 +146,6 @@ class MimeTypesTestCase(unittest.TestCase):
         # Poison should be gone.
         self.assertEqual(mimetypes.guess_extension('foo/bar'), None)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_preferred_extension(self):
         def check_extensions():
             self.assertEqual(mimetypes.guess_extension('application/octet-stream'), '.bin')
@@ -191,8 +187,6 @@ class MimeTypesTestCase(unittest.TestCase):
         self.assertEqual(types_map, mimetypes.types_map)
         self.assertEqual(common_types, mimetypes.common_types)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_path_like_ob(self):
         filename = "LICENSE.txt"
         filepath = pathlib.Path(filename)
@@ -256,8 +250,6 @@ class MimetypesCliTestCase(unittest.TestCase):
             mimetypes._main()
             return output.getvalue().strip()
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_help_option(self):
         support.patch(self, sys, "argv", [sys.executable, "-h"])
         with support.captured_stdout() as output:
@@ -267,8 +259,6 @@ class MimetypesCliTestCase(unittest.TestCase):
         self.assertIn("Usage: mimetypes.py", output.getvalue())
         self.assertEqual(cm.exception.code, 0)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_invalid_option(self):
         support.patch(self, sys, "argv", [sys.executable, "--invalid"])
         with support.captured_stdout() as output:
@@ -278,8 +268,6 @@ class MimetypesCliTestCase(unittest.TestCase):
         self.assertIn("Usage: mimetypes.py", output.getvalue())
         self.assertEqual(cm.exception.code, 1)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_guess_extension(self):
         eq = self.assertEqual
 
@@ -292,8 +280,6 @@ class MimetypesCliTestCase(unittest.TestCase):
         extension = self.mimetypes_cmd("-e", "image/jpeg")
         eq(extension, ".jpg")
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_guess_type(self):
         eq = self.assertEqual