}
    }

    @Test
    @DisplayName("Should pass null for SmbAuthException when error is not SmbAuthException")
    void testRenewCredentials_WithErrorNotSmbAuthException() {
        Throwable genericError = new RuntimeException("Generic Error");
        try (MockedStatic<NtlmAuthenticator> mockedNtlmAuthenticator = mockStatic(NtlmAuthenticator.class)) {