chore: test testcases with @unittest.skip decorator (#5871)

Signed-off-by: Lee Dogeon <dev.moreal@gmail.com>

Lib/test/test_ast.py

@@ -340,7 +340,8 @@ class AST_Tests(unittest.TestCase):
         support.gc_collect()
         self.assertIsNone(ref())
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'not implemented: async for comprehensions'")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_snippets(self):
         for input, output, kind in ((exec_tests, exec_results, "exec"),
                                     (single_tests, single_results, "single"),
@@ -353,7 +354,8 @@ class AST_Tests(unittest.TestCase):
                 with self.subTest(action="compiling", input=i, kind=kind):
                     compile(ast_tree, "?", kind)
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'not implemented: async for comprehensions'")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_ast_validation(self):
         # compile() is the only function that calls PyAST_Validate
         snippets_to_validate = exec_tests + single_tests + eval_tests
@@ -361,7 +363,8 @@ class AST_Tests(unittest.TestCase):
             tree = ast.parse(snippet)
             compile(tree, '<string>', 'exec')
 
-    @unittest.skip("TODO: RUSTPYTHON, OverflowError: Python int too large to convert to Rust u32")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_invalid_position_information(self):
         invalid_linenos = [
             (10, 1), (-10, -11), (10, -11), (-5, -2), (-5, 1)

Lib/test/test_cmd_line.py

@@ -259,7 +259,8 @@ class CmdLineTest(unittest.TestCase):
         if not stdout.startswith(pattern):
             raise AssertionError("%a doesn't start with %a" % (stdout, pattern))
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'unexpected invalid UTF-8 code point'")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     @unittest.skipIf(sys.platform == 'win32',
                      'Windows has a native unicode API')
     def test_invalid_utf8_arg(self):

Lib/test/test_float.py

@@ -153,8 +153,6 @@ class GeneralFloatCases(unittest.TestCase):
         # non-UTF-8 byte string
         check(b'123\xa0')
 
-    # TODO: RUSTPYTHON
-    @unittest.skip("RustPython panics on this")
     @support.run_with_locale('LC_NUMERIC', 'fr_FR', 'de_DE', '')
     def test_float_with_comma(self):
         # set locale to something that doesn't use '.' for the decimal point

Lib/test/test_io.py

@@ -5098,13 +5098,15 @@ class SignalsTest(unittest.TestCase):
                 if e.errno != errno.EBADF:
                     raise
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'already borrowed: BorrowMutError'")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     @requires_alarm
     @support.requires_resource('walltime')
     def test_interrupted_write_retry_buffered(self):
         self.check_interrupted_write_retry(b"x", mode="wb")
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'already borrowed: BorrowMutError'")
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     @requires_alarm
     @support.requires_resource('walltime')
     def test_interrupted_write_retry_text(self):

Lib/test/test_strftime.py

@@ -63,7 +63,6 @@ class StrftimeTest(unittest.TestCase):
             setlocale(LC_TIME, 'C')
             self.addCleanup(setlocale, LC_TIME, saved_locale)
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'a Display implementation returned an error unexpectedly: Error'")
     def test_strftime(self):
         now = time.time()
         self._update_variables(now)

Lib/test/test_time.py

@@ -236,7 +236,6 @@ class TimeTestCase(unittest.TestCase):
     def test_strftime_bounding_check(self):
         self._bounds_checking(lambda tup: time.strftime('', tup))
 
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'a Display implementation returned an error unexpectedly: Error'")
     def test_strftime_format_check(self):
         # Test that strftime does not crash on invalid format strings
         # that may trigger a buffer overread. When not triggered,
@@ -459,7 +458,6 @@ class TimeTestCase(unittest.TestCase):
 
     # Issue #13309: passing extreme values to mktime() or localtime()
     # borks the glibc's internal timezone data.
-    @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'a Display implementation returned an error unexpectedly: Error'")
     @unittest.skipUnless(platform.libc_ver()[0] != 'glibc',
                          "disabled because of a bug in glibc. Issue #13309")
     def test_mktime_error(self):