[3.6] bpo-32676, test_asyncio: Fix warning in test_error_in_call_soon() (GH-7462) (GH-7483)

* bpo-32676, test_asyncio: Fix warning in test_error_in_call_soon() (GH-7462)

Fix "<CoroWrapper ...> was never yielded from" warning in
PyTask_PyFuture_Tests.test_error_in_call_soon() of
test_asyncio.test_tasks.

Close manually the coroutine on error.

(cherry picked from commit 9f04f0d)

* Hide a warning in test_asyncio test_cancel_handshake()

SslProtoHandshakeTests.test_cancel_handshake() of
test_asyncio.test_sslproto: hide a traceback about SSL handshake
failure.

Author: vstinner

Lib/test/test_asyncio/test_sslproto.py

@@ -59,9 +59,9 @@ def do_handshake(callback):
             return []
 
         waiter.cancel()
-        self.connection_made(ssl_proto, do_handshake=do_handshake)
 
         with test_utils.disable_logger():
+            self.connection_made(ssl_proto, do_handshake=do_handshake)
             self.loop.run_until_complete(handshake_fut)
 
     def test_eof_received_waiter(self):

Lib/test/test_asyncio/test_tasks.py

@@ -2076,7 +2076,11 @@ def coro():
         self.assertFalse(m_log.error.called)
 
         with self.assertRaises(ValueError):
-            self.new_task(self.loop, coro())
+            gen = coro()
+            try:
+                self.new_task(self.loop, gen)
+            finally:
+                gen.close()
 
         self.assertTrue(m_log.error.called)
         message = m_log.error.call_args[0][0]