String masterBrowser = NbtAddress.MASTER_BROWSER_NAME;
        String smbServer = NbtAddress.SMBSERVER_NAME;

        assertNotNull(anyHosts);
        assertNotNull(masterBrowser);
        assertNotNull(smbServer);

        // Test that they have expected lengths
        assertEquals(16, anyHosts.length());
        assertEquals(15, masterBrowser.length());
        assertEquals(15, smbServer.length());

        // Test nextCalledName when calledName is SMBSERVER_NAME and nameType is 0x1D
        when(mockContext.getNameServiceClient()).thenReturn(mockNameServiceClient);
        mockName = new Name(mockConfig, "MASTERBROWSER", 0x1D, null);
        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);
        nbtAddress.firstCalledName(); // Initialize calledName to SMBSERVER_NAME