lenient().when(mockConfig.getWitnessReconnectDelay()).thenReturn(1000L);
        lenient().when(mockConfig.isWitnessServiceDiscovery()).thenReturn(true);
    }

    @Test
    void testSuccessfulRegistration() throws Exception {
        // Setup mock RPC response
        WitnessRegisterResponse mockResponse = mock(WitnessRegisterResponse.class);
        lenient().when(mockResponse.isSuccess()).thenReturn(true);