Check usernames on other buildbots

Author: sobolevn

Lib/test/support/__init__.py

@@ -394,11 +394,11 @@ def skip_if_buildbot(reason=None, *, raise_error=False):
         reason = 'not suitable for buildbots'
     try:
         isbuildbot = getpass.getuser().lower() == 'buildbot'
+        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:
-        warnings.warn(f'getpass.getuser() returned {getpass.getuser()}.', RuntimeWarning)
         raise AssertionError(f'user {getpass.getuser()}')
     return unittest.skipIf(isbuildbot, reason)