void testOpenConnection_UsesProvidedContext() throws MalformedURLException, IOException {
        // Arrange
        when(mockCtx.getConfig()).thenReturn(mockCfg);
        when(mockCfg.isTraceResourceUsage()).thenReturn(false);

        Handler handler = newHandlerWith(mockCtx);
        URL url = new URL(null, "smb://example-host/share/", new Handler());

        // Act

        assertEquals(-1, config.getPid());
        assertFalse(config.isIgnoreCopyToException());
        assertEquals(2, config.getMaxRequestRetries());
        assertFalse(config.isTraceResourceUsage());
        assertFalse(config.isStrictResourceLifecycle());
        assertNull(config.getMachineId());
    }

    @Test
    @DisplayName("Test getBatchLimit method")
    void testGetBatchLimit() {

    void setup() {
        when(ctx.getConfig()).thenReturn(config);
        // keep retries small for faster and deterministic tests
        when(config.getMaxRequestRetries()).thenReturn(2);
        when(config.isTraceResourceUsage()).thenReturn(false);
        // Mock credentials to avoid NullPointerException
        when(ctx.getCredentials()).thenReturn(credentials);
        when(credentials.getUserDomain()).thenReturn("DOMAIN");