support define_macros / undef_macros in setup.cfg

Lib/test/test_subprocess.py

 import unittest
 from test import support
 import subprocess
 import sys
 import signal
 import io
 import os
 import errno
 import tempfile
 import time
@@ skipping 171 matching lines @@
 
     def test_stderr_none(self):
         # .stderr is None when not redirected
         p = subprocess.Popen([sys.executable, "-c", 'print("banana")'],
                          stdin=subprocess.PIPE, stdout=subprocess.PIPE)
         self.addCleanup(p.stdout.close)
         self.addCleanup(p.stdin.close)
         p.wait()
         self.assertEqual(p.stderr, None)
 
-    @unittest.skipIf(sys.base_prefix != sys.prefix,
-                     'Test is not venv-compatible')
     def test_executable_with_cwd(self):
         python_dir = os.path.dirname(os.path.realpath(sys.executable))
         p = subprocess.Popen(["somethingyoudonthave", "-c",
                               "import sys; sys.exit(47)"],
                              executable=sys.executable, cwd=python_dir)
         p.wait()
         self.assertEqual(p.returncode, 47)
 
-    @unittest.skipIf(sys.base_prefix != sys.prefix,
-                     'Test is not venv-compatible')
     @unittest.skipIf(sysconfig.is_python_build(),
                      "need an installed Python. See #7774")
     def test_executable_without_cwd(self):
         # For a normal installation, it should work without 'cwd'
         # argument.  For test runs in the build directory, see #7774.
         p = subprocess.Popen(["somethingyoudonthave", "-c",
                               "import sys; sys.exit(47)"],
                              executable=sys.executable)
         p.wait()
         self.assertEqual(p.returncode, 47)
@@ skipping 1681 matching lines @@
                   HelperFunctionTests,
                   CommandsWithSpaces,
                   ContextManagerTests,
                   )
 
     support.run_unittest(*unit_tests)
     support.reap_children()
 
 if __name__ == "__main__":
     unittest.main()