@GetMapping(value = "/node/self/health")
    @Secured(action = ActionTypes.READ, resource = "nacos/admin", signType = SignType.CONSOLE)
    public Result<String> selfHealth() {
        return Result.success(nacosClusterOperationService.selfHealth());
    }
@Test
    void testSelfHealth() {
        String selfHealth = "UP";
        when(nacosClusterOperationService.selfHealth()).thenReturn(selfHealth);
        
        Result<String> result = nacosClusterControllerV2.selfHealth();
        assertEquals(ErrorCode.SUCCESS.getCode(), result.getCode());
        assertEquals(selfHealth, result.getData());
    }