assertNotSame(initial, withSigning, "Should create new connection with different signing");
    }

    @Test
    @DisplayName("Should remove transport from pool")
    void testRemoveTransport() {
        // Given: A pooled connection
        SmbTransportImpl transport = pool.getSmbTransport(ctx, address, 445, false);
        assertTrue(pool.contains(transport), "Transport should be in pool initially");