when(mockCredentials.getUserDomain()).thenReturn("");
        assertFalse(dfsResolver.isTrustedDomain(mockContext, "anyDomain"));
    }

    // Test for getDc method
    @Test
    void testGetDc_DfsDisabled() throws CIFSException {
        when(mockConfig.isDfsDisabled()).thenReturn(true);
        assertNull(dfsResolver.getDc(mockContext, "anyDomain"));
    }

    @Test

        // When transport fails, it should return false
        assertFalse(dfsImpl.isTrustedDomain(mockContext, "anydomain.com"));
    }

    // Tests for getDc
    @Test
    void testGetDc_DfsDisabled() throws SmbAuthException {
        // Scenario: DFS is disabled.
        when(mockConfig.isDfsDisabled()).thenReturn(true);
        assertNull(dfsImpl.getDc(mockContext, "anydomain.com"));
    }

    @Test