// Assert
        assertEquals(expectedPrefix, called, "firstCalledName should return uppercase prefix or SMBSERVER_NAME");
    }

    @Test
    void nextCalledNameWithNbtAddressReturnsDelegateValue() {
        // Arrange
        NbtAddress nbtMock = mock(NbtAddress.class);
        when(nbtMock.nextCalledName()).thenReturn("NEXT");
        UniAddress ua = new UniAddress(nbtMock);
        // Act