Only run test on POSIX

Signed-off-by: Filipe Laíns <[email protected]>

Author: FFY00

Lib/test/test_sysconfig.py

@@ -626,6 +626,7 @@ def test_makefile_overwrites_config_vars(self):
         self.assertNotEqual(data['prefix'], data['base_prefix'])
         self.assertNotEqual(data['exec_prefix'], data['base_exec_prefix'])
 
+    @unittest.skipIf(os.name != 'posix', '_sysconfig-vars JSON file is only available on POSIX')
     def test_sysconfigdata_json(self):
         if '_PYTHON_SYSCONFIGDATA_PATH' in os.environ:
             data_dir = os.environ['_PYTHON_SYSCONFIGDATA_PATH']