@BeforeEach
    void setup() {
        // Use a real CIFS context to provide a working URLStreamHandler for smb:// URLs
        this.ctx = SingletonContext.getInstance();
    }

    private void setupParentForUrlCreation() throws CIFSException {
        // Only set up parent mocks when they're actually needed for URL creation
        when(parent.getContext()).thenReturn(this.ctx);
        when(parent.getLocator()).thenReturn(parentLocator);