// 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