bpo-38323: Remove test_cancel_make_subprocess_transport_exec as it has a rance condicion

Author: pablogsal

Lib/test/test_asyncio/test_subprocess.py

@@ -424,23 +424,6 @@ async def cancel_wait():
 
         self.loop.run_until_complete(cancel_wait())
 
-    def test_cancel_make_subprocess_transport_exec(self):
-
-        async def cancel_make_transport():
-            coro = asyncio.create_subprocess_exec(*PROGRAM_BLOCKED)
-            task = self.loop.create_task(coro)
-
-            self.loop.call_soon(task.cancel)
-            try:
-                await task
-            except asyncio.CancelledError:
-                pass
-
-        # ignore the log:
-        # "Exception during subprocess creation, kill the subprocess"
-        with test_utils.disable_logger():
-            self.loop.run_until_complete(cancel_make_transport())
-
     def test_cancel_post_init(self):
 
         async def cancel_make_transport():