gh-103053: Skip the whole test_freeze module in tests on buildbots

Author: sobolevn

Lib/test/support/__init__.py

@@ -388,15 +388,19 @@ def wrapper(*args, **kw):
     return decorator
 
 
-def skip_if_buildbot(reason=None):
+def skip_if_buildbot(reason=None, *, raise_error=False):
     """Decorator raising SkipTest if running on a buildbot."""
     if not reason:
         reason = 'not suitable for buildbots'
     try:
         isbuildbot = getpass.getuser().lower() == 'buildbot'
+        if not isbuildbot:  # TODO: remove
+            warnings.warn(f'getpass.getuser() returned {getpass.getuser()}.', RuntimeWarning)
     except (KeyError, EnvironmentError) as err:
         warnings.warn(f'getpass.getuser() failed {err}.', RuntimeWarning)
         isbuildbot = False
+    if raise_error and isbuildbot:
+        raise unittest.SkipTest(reason)
     return unittest.skipIf(isbuildbot, reason)
 
 def check_sanitizer(*, address=False, memory=False, ub=False):

Lib/test/test_tools/test_freeze.py

@@ -8,13 +8,13 @@
 from test.support import os_helper
 from test.test_tools import imports_under_tool, skip_if_missing
 
+support.skip_if_buildbot('not all buildbots have enough space', raise_error=True)
 skip_if_missing('freeze')
 with imports_under_tool('freeze', 'test'):
     import freeze as helper
 
 @support.requires_zlib()
 @unittest.skipIf(sys.platform.startswith('win'), 'not supported on Windows')
-@support.skip_if_buildbot('not all buildbots have enough space')
 class TestFreeze(unittest.TestCase):
 
     def test_freeze_simple_script(self):