void testShutdown() {
        assertDoesNotThrow(() -> {
            multiChannelManager.shutdown();
        });
    }

    @Test
    @DisplayName("createDefaultContext should work")
    void testCreateDefaultContext() throws Exception {
        // Use reflection to access private method for testing
        java.lang.reflect.Method method = MultiChannelManager.class.getDeclaredMethod("createDefaultContext");

Shinsuke Sugaya <******@****.***> 1763955605 +0900