assertSame(cfg, result);
        verify(ctx, times(1)).getConfig();
    }

    @Test
    @DisplayName("hasCapability(): without session/tree throws SmbException")
    void hasCapability_withoutTree_throwsSmbException() {
        // Arrange
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = new SmbTreeConnectionTrace(ctx);

        // Act & Assert