assertNotNull(result);
        assertEquals(mockSid1, result);
        verify(sidResolver, times(1)).getServerSid(mockContext, testServerName);
    }

    @Test
    void testGetServerSid_NullContext() throws CIFSException {
        when(sidResolver.getServerSid(eq(null), anyString())).thenThrow(new CIFSException("Context cannot be null"));