Use LONG_TIMEOUT for calls that do not time out

src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py

@@ -86,7 +86,7 @@ class ChannelReadyFutureTest(unittest.TestCase):
 
     ready_future = grpc.channel_ready_future(channel)
     ready_future.add_done_callback(callback.accept_value)
-    self.assertIsNone(ready_future.result(test_constants.SHORT_TIMEOUT))
+    self.assertIsNone(ready_future.result(test_constants.LONG_TIMEOUT))
     value_passed_to_callback = callback.block_until_called()
     self.assertIs(ready_future, value_passed_to_callback)
     self.assertFalse(ready_future.cancelled())

src/python/grpcio_tests/tests/unit/beta/_utilities_test.py

@@ -88,7 +88,7 @@ class ChannelConnectivityTest(unittest.TestCase):
       ready_future = utilities.channel_ready_future(channel)
       ready_future.add_done_callback(callback.accept_value)
       self.assertIsNone(
-          ready_future.result(test_constants.SHORT_TIMEOUT))
+          ready_future.result(test_constants.LONG_TIMEOUT))
       value_passed_to_callback = callback.block_until_called()
       self.assertIs(ready_future, value_passed_to_callback)
       self.assertFalse(ready_future.cancelled())