[3.12] pythongh-76785: Make test.test_interpreters executable (pythonGH-112982)

jeff5 · jeff5 · commit 761c71d80879 · 2023-12-25T15:20:11.000Z
This is so that we can run python -m test.test_interpreters. As such it backports that aspect of commit 86a77f4, where it is implemnented by a package __main__.py.
diff --git a/Lib/test/test_interpreters.py b/Lib/test/test_interpreters.py
@@ -1053,3 +1053,7 @@ def test_recv_nowait_default(self):
         self.assertEqual(obj4, b'spam')
         self.assertEqual(obj5, b'eggs')
         self.assertIs(obj6, default)
+
+
+if __name__ == "__main__":
+    unittest.main()
