add unit test assertions to ensure Queue closure

Signed-off-by: varun-edachali-dbx <[email protected]>

Author: varun-edachali-dbx

tests/unit/test_client.py

@@ -267,33 +267,39 @@ def test_arraysize_buffer_size_passthrough(
     def test_closing_result_set_with_closed_connection_soft_closes_commands(self):
         mock_connection = Mock()
         mock_backend = Mock()
+        mock_results = Mock()
         result_set = client.ResultSet(
             connection=mock_connection,
             thrift_backend=mock_backend,
             execute_response=Mock(),
         )
+        result_set.results = mock_results
         mock_connection.open = False
 
         result_set.close()
 
         self.assertFalse(mock_backend.close_command.called)
         self.assertTrue(result_set.has_been_closed_server_side)
+        mock_results.close.assert_called_once()
 
     def test_closing_result_set_hard_closes_commands(self):
         mock_results_response = Mock()
         mock_results_response.has_been_closed_server_side = False
         mock_connection = Mock()
         mock_thrift_backend = Mock()
+        mock_results = Mock()
         mock_connection.open = True
         result_set = client.ResultSet(
             mock_connection, mock_results_response, mock_thrift_backend
         )
+        result_set.results = mock_results
 
         result_set.close()
 
         mock_thrift_backend.close_command.assert_called_once_with(
             mock_results_response.command_handle
         )
+        mock_results.close.assert_called_once()
 
     @patch("%s.client.ResultSet" % PACKAGE_NAME)
     def test_executing_multiple_commands_uses_the_most_recent_command(